{"title":"BMW 4 Series Powerflex Suspension Bushes","description":"\u003cp\u003ePowerflex polyurethane suspension bushes for the BMW 4 Series, available in Road Series and Black Series. Select your exact vehicle to see the fitting diagram and every bush position.\u003c\/p\u003e","products":[{"product_id":"powerflex-bmw-4-series-f32-f33-f36-2013-2020","title":"BMW 4 Series F32, F33, F36 (2013 - 2020) Suspension Bushes","description":"\u003cp\u003ePowerflex suspension bushes for the BMW 4 Series F32, F33, F36 (2013 - 2020) are polyurethane replacements for the original rubber bushes. They are available in Road Series and Black Series, with a fitting diagram showing every bush position and part number.\u003c\/p\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eRubber suspension bushes soften, split and let the suspension move out of position as they age. Powerflex polyurethane bushes control that unwanted flex, which keeps the BMW 4 Series F32, F33, F36's suspension geometry where it should be. Powerflex says this prolongs tyre life, improves performance and increases safety on the road. Every bush is made in-house by Powerflex, a UK manufacturer formed in 1996.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePolyurethane replacements for the original rubber suspension bushes\u003c\/li\u003e\n\u003cli\u003eReduces unwanted suspension flex for sharper, more consistent handling\u003c\/li\u003e\n\u003cli\u003eHelps maintain suspension geometry and prolong tyre life\u003c\/li\u003e\n\u003cli\u003eRoad Series compounds matched to each bush position, from 65A to 95A\u003c\/li\u003e\n\u003cli\u003eBlack Series 95 Shore A compound for track and motorsport\u003c\/li\u003e\n\u003cli\u003eFitting diagram for each range showing every bush position\u003c\/li\u003e\n\u003cli\u003eLifetime warranty on road-use parts (Black Series and track use excluded)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecification\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMake: BMW\u003c\/li\u003e\n\u003cli\u003eVehicle: BMW 4 Series F32, F33, F36 (2013 - 2020)\u003c\/li\u003e\n\u003cli\u003eYears: 2013 - 2020\u003c\/li\u003e\n\u003cli\u003eRanges available: Road Series and Black Series\u003c\/li\u003e\n\u003cli\u003eMaterial: polyurethane\u003c\/li\u003e\n\u003cli\u003eFitting diagram: included for each range\u003c\/li\u003e\n\u003cli\u003eWarranty: lifetime on Road Series for road use; Black Series excluded\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment notes\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRoad Series\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePFR5-1920 and PFR5-1921 are inserts to be used with the original bushes\u003c\/li\u003e\n\u003cli\u003ePFR5-420 and PFR5-422 are complete replacements for the original bushes\u003c\/li\u003e\n\u003cli\u003ePFR5-1220 is an option part to raise the front of the rear subframe by 9mm, providing the same anti-squat characteristic during acceleration as featured on M-model vehicles, and is recommended to be used with PFR5-422P\u003c\/li\u003e\n\u003cli\u003ePFF5-4020 fits cars with N55, B58 and S55 engines only\u003c\/li\u003e\n\u003cli\u003ePFF5-4632 fits all manual cars before November 2014\u003c\/li\u003e\n\u003cli\u003ePFF5-470 fits manual transmission only \u003c\/li\u003e\n\u003cli\u003ePFF5-1932 fits manual transmission only\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBlack Series\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePFR5-1920BLK and PFR5-1921BLK are inserts to be used with the original bushes\u003c\/li\u003e\n\u003cli\u003ePFR5-420BLK and PFR5-422BLK are complete replacements for the original bushes\u003c\/li\u003e\n\u003cli\u003ePFR5-1220BLK is an option part to raise the front of the rear subframe by 9mm, providing the same anti-squat characteristic during acceleration as featured on M-model vehicles, and is recommended to be used with PFR5-422BLK\u003c\/li\u003e\n\u003cli\u003ePFF5-4020BLK fits cars with N55, B58 and S55 engines only\u003c\/li\u003e\n\u003cli\u003ePFF5-4632 fits all manual cars before November 2014\u003c\/li\u003e\n\u003cli\u003ePFF5-470 fits manual transmission only \u003c\/li\u003e\n\u003cli\u003ePFF5-1932BLK fits manual transmission only\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho it's for\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRoad Series\u003c\/strong\u003e for everyday and fast-road driving; \u003cstrong\u003eBlack Series\u003c\/strong\u003e for track days, sprints, hill climbs and circuit racing. It suits owners of the BMW 4 Series F32, F33, F36 who want tighter, more precise handling and bushes that outlast rubber. Check the fitting diagram and your vehicle details before you order.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWhich Powerflex range should I choose for my BMW 4 Series F32, F33, F36?\u003c\/h3\u003e\u003cp\u003eRoad Series suits road and fast-road use. Black Series uses a firmer 95 Shore A compound for track and motorsport. Choose the range that matches how you use the car.\u003c\/p\u003e\u003ch3\u003eAre Powerflex bushes covered by a warranty?\u003c\/h3\u003e\u003cp\u003ePowerflex offers a lifetime warranty to the original purchaser when bought through an authorised distributor. Parts used for track, motorsport or competition, and part numbers ending in BLK (Black Series), are excluded. Source: Powerflex lifetime warranty terms. Checked 9 November 2026.\u003c\/p\u003e\u003ch3\u003eWill polyurethane bushes make the ride harsher?\u003c\/h3\u003e\u003cp\u003ePolyurethane is firmer than rubber, so you will feel the car respond more directly. Road Series kits use different compounds for different positions, from 65A to 95A, to balance control with comfort. Black Series is the firmest at 95 Shore A.\u003c\/p\u003e\u003ch3\u003eHow do I know which bushes I need?\u003c\/h3\u003e\u003cp\u003eUse the fitting diagram for your chosen range. It numbers every bush position on the BMW 4 Series F32, F33, F36 and gives the matching Powerflex part number, so you can replace a single worn bush or the whole set.\u003c\/p\u003e\u003ch3\u003eIs there anything to check before ordering?\u003c\/h3\u003e\u003cp\u003eYes. Read the fitment notes above, as some parts only fit certain years or specifications of the BMW 4 Series F32, F33, F36.\u003c\/p\u003e","brand":"Powerflex","offers":[{"title":"Road Series \/ Ref 1 – Front Radius Arm To Chassis Bush (PFF5-1901) – 2 per car","offer_id":55889011573065,"sku":"PFF5-1901","price":82.97,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 1 – Front Radius Arm To Chassis Bush Caster Adjustable (PFF5-1901G) – 2 per car","offer_id":55889011605833,"sku":"PFF5-1901G","price":89.6,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 2 – Front Control Arm To Chassis Bush (PFF5-1902) – 2 per car","offer_id":55889011638601,"sku":"PFF5-1902","price":57.74,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 2 – Front Control Arm to Chassis Bush - Camber Adjustable (PFF5-1902G) – 2 per car","offer_id":55889011671369,"sku":"PFF5-1902G","price":68.33,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Bush 24mm (PFF5-1903-24) – 2 per car","offer_id":55889011704137,"sku":"PFF5-1903-24","price":29.89,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Bush 25mm (PFF5-1903-25) – 2 per car","offer_id":55889011736905,"sku":"PFF5-1903-25","price":29.89,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Bush 30mm (PFF5-1903-30) – 2 per car","offer_id":55889011769673,"sku":"PFF5-1903-30","price":29.89,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 13 – Rear Anti Roll Bar Bush 12mm (PFR5-1913-12) – 2 per car","offer_id":55889011802441,"sku":"PFR5-1913-12","price":26.75,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 13 – Rear Anti Roll Bar Bush 13mm (PFR5-1913-13) – 2 per car","offer_id":55889011835209,"sku":"PFR5-1913-13","price":26.75,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 13 – Rear Anti Roll Bar Bush 14mm (PFR5-1913-14) – 2 per car","offer_id":55889011867977,"sku":"PFR5-1913-14","price":26.75,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 13 – Rear Anti Roll Bar Bush 15mm (PFR5-1913-15) – 2 per car","offer_id":55889011900745,"sku":"PFR5-1913-15","price":26.75,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 13 – Rear Anti Roll Bar Bush 22mm (PFR5-1913-22) – 2 per car","offer_id":55889011933513,"sku":"PFR5-1913-22","price":26.75,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 19 – Rear Subframe Front Bush Insert (PFR5-1920) – 2 per car","offer_id":55889011966281,"sku":"PFR5-1920","price":35.8,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 19 – Rear Subframe Front Mounting Bush (Fast Road) (PFR5-420P) – 2 per car","offer_id":55889011999049,"sku":"PFR5-420P","price":86.28,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 19 – Rear Subframe Front Mounting Bush (Road) (PFR5-420) – 2 per car","offer_id":55889012031817,"sku":"PFR5-420","price":86.28,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 19 – Rear Subframe Front Mounting Bush Anti-Squat (Fast Road) (PFR5-1220) – 2 per car","offer_id":55889012064585,"sku":"PFR5-1220","price":87.64,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 20 – Rear Subframe Rear Bush Insert (PFR5-1921) – 2 per car","offer_id":55889012097353,"sku":"PFR5-1921","price":35.8,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 20 – Rear Subframe Rear Mounting Bush (Fast Road) (PFR5-422P) – 2 per car","offer_id":55889012130121,"sku":"PFR5-422P","price":80.32,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 20 – Rear Subframe Rear Mounting Bush (Road) (PFR5-422) – 2 per car","offer_id":55889012162889,"sku":"PFR5-422","price":73.0,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 21 – Engine Mount Insert Kit (PFF5-4020)","offer_id":55889012195657,"sku":"PFF5-4020","price":42.43,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 26 – Rear Diff Rear Mounting Bush (PFR5-426)","offer_id":55889012228425,"sku":"PFR5-426","price":50.44,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 27 – Rear Diff Front Bush Insert (PFR5-1927) – 2 per car","offer_id":55889012261193,"sku":"PFR5-1927","price":30.5,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 31 – Gear Shift Arm Front Bush Oval (PFF5-4631)","offer_id":55889012293961,"sku":"PFF5-4631","price":25.84,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 32 – Shifter Arm Rear Bush \u0026 Bracket - Road (PFF5-1932)","offer_id":55889012326729,"sku":"PFF5-1932","price":73.0,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 32 – Shifter Arm Rear Bush \u0026 Bracket Fast - Road\/Track (PFF5-1932P)","offer_id":55889012359497,"sku":"PFF5-1932P","price":73.0,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 32 – Shifter Arm Rear Bush (PFF5-4632)","offer_id":55889012392265,"sku":"PFF5-4632","price":38.44,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 55 – Transmission Mounting Bush (Fast Road) (PFF5-4655) – 2 per car","offer_id":55889012425033,"sku":"PFF5-4655","price":49.75,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 55 – Transmission Mounting Bush (Tuned\/Track) (PFF5-4655P) – 2 per car","offer_id":55889012457801,"sku":"PFF5-4655P","price":49.75,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Jack Pad Adaptor (PF5-4660)","offer_id":55889012490569,"sku":"PF5-4660","price":23.18,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ PowerAlign Wheel Mounting Guide Pin (PF99-514-125)","offer_id":55889012523337,"sku":"PF99-514-125","price":31.18,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Powerflex Handling Pack (PF5K-1010)","offer_id":55889012556105,"sku":"PF5K-1010","price":461.56,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Universal Exhaust Mount (EXH032)","offer_id":55889012588873,"sku":"EXH032","price":15.86,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 1 – Front Radius Arm To Chassis Bush (PFF5-1901BLK) – 2 per car","offer_id":55889012621641,"sku":"PFF5-1901BLK","price":82.97,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 1 – Front Radius Arm To Chassis Bush Caster Adjustable (PFF5-1901GBLK) – 2 per car","offer_id":55889012654409,"sku":"PFF5-1901GBLK","price":89.6,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 2 – Front Control Arm To Chassis Bush (PFF5-1902BLK) – 2 per car","offer_id":55889012687177,"sku":"PFF5-1902BLK","price":57.74,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 2 – Front Control Arm to Chassis Bush - Camber Adjustable (PFF5-1902GBLK) – 2 per car","offer_id":55889012719945,"sku":"PFF5-1902GBLK","price":68.33,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 3 – Front Anti Roll Bar Bush 24mm (PFF5-1903-24BLK) – 2 per car","offer_id":55889012752713,"sku":"PFF5-1903-24BLK","price":32.9,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 3 – Front Anti Roll Bar Bush 25mm (PFF5-1903-25BLK) – 2 per car","offer_id":55889012785481,"sku":"PFF5-1903-25BLK","price":33.22,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 3 – Front Anti Roll Bar Bush 30mm (PFF5-1903-30BLK) – 2 per car","offer_id":55889012818249,"sku":"PFF5-1903-30BLK","price":33.22,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 13 – Rear Anti Roll Bar Bush 12mm (PFR5-1913-12BLK) – 2 per car","offer_id":55889012851017,"sku":"PFR5-1913-12BLK","price":29.89,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 13 – Rear Anti Roll Bar Bush 13mm (PFR5-1913-13BLK) – 2 per car","offer_id":55889012883785,"sku":"PFR5-1913-13BLK","price":29.89,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 13 – Rear Anti Roll Bar Bush 14mm (PFR5-1913-14BLK) – 2 per car","offer_id":55889012916553,"sku":"PFR5-1913-14BLK","price":29.4,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 13 – Rear Anti Roll Bar Bush 15mm (PFR5-1913-15BLK) – 2 per car","offer_id":55889012949321,"sku":"PFR5-1913-15BLK","price":29.4,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 13 – Rear Anti Roll Bar Bush 22mm (PFR5-1913-22BLK) – 2 per car","offer_id":55889012982089,"sku":"PFR5-1913-22BLK","price":29.4,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 19 – Rear Subframe Front Bush Insert (PFR5-1920BLK) – 2 per car","offer_id":55889013014857,"sku":"PFR5-1920BLK","price":39.36,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 19 – Rear Subframe Front Mounting Bush (Track\/Msport) (PFR5-420BLK) – 2 per car","offer_id":55889013047625,"sku":"PFR5-420BLK","price":94.9,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 19 – Rear Subframe Front Mounting Bush Anti-Squat (Track\/Msport) (PFR5-1220BLK) – 2 per car","offer_id":55889013080393,"sku":"PFR5-1220BLK","price":96.37,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 20 – Rear Subframe Rear Bush Insert (PFR5-1921BLK) – 2 per car","offer_id":55889013113161,"sku":"PFR5-1921BLK","price":39.36,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 20 – Rear Subframe Rear Mounting Bush (Track\/Msport) (PFR5-422BLK) – 2 per car","offer_id":55889013145929,"sku":"PFR5-422BLK","price":83.64,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 21 – Engine Mount Insert Kit (PFF5-4020BLK)","offer_id":55889013178697,"sku":"PFF5-4020BLK","price":47.11,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 26 – Rear Diff Rear Mounting Bush (PFR5-426BLK)","offer_id":55889013211465,"sku":"PFR5-426BLK","price":55.48,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 27 – Rear Diff Front Bush Insert (PFR5-1927BLK) – 2 per car","offer_id":55889013244233,"sku":"PFR5-1927BLK","price":33.52,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 31 – Gear Shift Arm Front Bush Oval (PFF5-4631BLK)","offer_id":55889013277001,"sku":"PFF5-4631BLK","price":25.84,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 32 – Shifter Arm Rear Bush \u0026 Bracket Fast - Road\/Track (PFF5-1932P)","offer_id":55889013309769,"sku":"PFF5-1932P","price":73.0,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 32 – Shifter Arm Rear Bush (PFF5-4632BLK)","offer_id":55889013342537,"sku":"PFF5-4632BLK","price":41.76,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 55 – Transmission Mounting Bush (Motorsport) (PFF5-4655BLK) – 2 per car","offer_id":55889013375305,"sku":"PFF5-4655BLK","price":55.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/9463\/0729\/files\/powerflex-bmw-4-series-f32-f33-f36-2013-2020_39408b67-c457-43e2-9e4c-c657d18ed863.jpg?v=1794274966"},{"product_id":"powerflex-bmw-4-series-f32-f33-f36-xdrive-2013-2020","title":"BMW 4 Series F32, F33, F36 xDrive (2013 - 2020) Suspension Bushes","description":"\u003cp\u003ePowerflex suspension bushes for the BMW 4 Series F32, F33, F36 xDrive (2013 - 2020) are polyurethane replacements for the original rubber bushes. They are available in Road Series and Black Series, with a fitting diagram showing every bush position and part number.\u003c\/p\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eRubber suspension bushes soften, split and let the suspension move out of position as they age. Powerflex polyurethane bushes control that unwanted flex, which keeps the BMW 4 Series F32, F33, F36 xDrive's suspension geometry where it should be. Powerflex says this prolongs tyre life, improves performance and increases safety on the road. Every bush is made in-house by Powerflex, a UK manufacturer formed in 1996.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePolyurethane replacements for the original rubber suspension bushes\u003c\/li\u003e\n\u003cli\u003eReduces unwanted suspension flex for sharper, more consistent handling\u003c\/li\u003e\n\u003cli\u003eHelps maintain suspension geometry and prolong tyre life\u003c\/li\u003e\n\u003cli\u003eRoad Series compounds matched to each bush position, from 65A to 95A\u003c\/li\u003e\n\u003cli\u003eBlack Series 95 Shore A compound for track and motorsport\u003c\/li\u003e\n\u003cli\u003eFitting diagram for each range showing every bush position\u003c\/li\u003e\n\u003cli\u003eLifetime warranty on road-use parts (Black Series and track use excluded)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecification\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMake: BMW\u003c\/li\u003e\n\u003cli\u003eVehicle: BMW 4 Series F32, F33, F36 xDrive (2013 - 2020)\u003c\/li\u003e\n\u003cli\u003eYears: 2013 - 2020\u003c\/li\u003e\n\u003cli\u003eRanges available: Road Series and Black Series\u003c\/li\u003e\n\u003cli\u003eMaterial: polyurethane\u003c\/li\u003e\n\u003cli\u003eFitting diagram: included for each range\u003c\/li\u003e\n\u003cli\u003eWarranty: lifetime on Road Series for road use; Black Series excluded\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment notes\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRoad Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePFR5-1920 and PFR5-1921 are inserts to be used with the original bushes\u003c\/li\u003e\n\u003cli\u003ePFR5-420 and PFR5-422 are complete replacements for the original bushes\u003c\/li\u003e\n\u003cli\u003ePFR5-1220 is an option part to raise the front of the rear subframe by 9mm, providing the same anti-squat characteristic during acceleration as featured on M-model vehicles, and is recommended to be used with PFR5-422P\u003c\/li\u003e\n\u003cli\u003ePFF5-4020 fits cars with N55, B58 and S55 engines only\u003c\/li\u003e\n\u003cli\u003ePFF5-4632 fits all manual cars before November 2014\u003c\/li\u003e\n\u003cli\u003ePFF5-470 fits manual transmission only \u003c\/li\u003e\n\u003cli\u003ePFF5-1932 fits manual transmission only\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBlack Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePFR5-1920BLK and PFR5-1921BLK are inserts to be used with the original bushes\u003c\/li\u003e\n\u003cli\u003ePFR5-420BLK and PFR5-422BLK are complete replacements for the original bushes\u003c\/li\u003e\n\u003cli\u003ePFR5-1220BLK is an option part to raise the front of the rear subframe by 9mm, providing the same anti-squat characteristic during acceleration as featured on M-model vehicles, and is recommended to be used with PFR5-422BLK\u003c\/li\u003e\n\u003cli\u003ePFF5-4020BLK fits cars with N55, B58 and S55 engines only\u003c\/li\u003e\n\u003cli\u003ePFF5-4632 fits all manual cars before November 2014\u003c\/li\u003e\n\u003cli\u003ePFF5-470 fits manual transmission only \u003c\/li\u003e\n\u003cli\u003ePFF5-1932BLK fits manual transmission only\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho it's for\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRoad Series\u003c\/strong\u003e for everyday and fast-road driving; \u003cstrong\u003eBlack Series\u003c\/strong\u003e for track days, sprints, hill climbs and circuit racing. It suits owners of the BMW 4 Series F32, F33, F36 xDrive who want tighter, more precise handling and bushes that outlast rubber. Check the fitting diagram and your vehicle details before you order.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWhich Powerflex range should I choose for my BMW 4 Series F32, F33, F36 xDrive?\u003c\/h3\u003e\u003cp\u003eRoad Series suits road and fast-road use. Black Series uses a firmer 95 Shore A compound for track and motorsport. Choose the range that matches how you use the car.\u003c\/p\u003e\u003ch3\u003eAre Powerflex bushes covered by a warranty?\u003c\/h3\u003e\u003cp\u003ePowerflex offers a lifetime warranty to the original purchaser when bought through an authorised distributor. Parts used for track, motorsport or competition, and part numbers ending in BLK (Black Series), are excluded. Source: Powerflex lifetime warranty terms. Checked 9 November 2026.\u003c\/p\u003e\u003ch3\u003eWill polyurethane bushes make the ride harsher?\u003c\/h3\u003e\u003cp\u003ePolyurethane is firmer than rubber, so you will feel the car respond more directly. Road Series kits use different compounds for different positions, from 65A to 95A, to balance control with comfort. Black Series is the firmest at 95 Shore A.\u003c\/p\u003e\u003ch3\u003eHow do I know which bushes I need?\u003c\/h3\u003e\u003cp\u003eUse the fitting diagram for your chosen range. It numbers every bush position on the BMW 4 Series F32, F33, F36 xDrive and gives the matching Powerflex part number, so you can replace a single worn bush or the whole set.\u003c\/p\u003e\u003ch3\u003eIs there anything to check before ordering?\u003c\/h3\u003e\u003cp\u003eYes. Read the fitment notes above, as some parts only fit certain years or specifications of the BMW 4 Series F32, F33, F36 xDrive.\u003c\/p\u003e","brand":"Powerflex","offers":[{"title":"Road Series \/ Ref 1 – Front Radius Arm To Chassis Bush (PFF5-4101) – 2 per car","offer_id":55889013932361,"sku":"PFF5-4101","price":92.93,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 2 – Front Control Arm To Chassis Bush (PFF5-4102) – 2 per car","offer_id":55889013965129,"sku":"PFF5-4102","price":47.11,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Bush 22.5mm (PFF5-1903-22.5) – 2 per car","offer_id":55889013997897,"sku":"PFF5-1903-22.5","price":29.89,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Bush 23.6mm (PFF5-1903-23.6) – 2 per car","offer_id":55889014030665,"sku":"PFF5-1903-23.6","price":29.89,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 13 – Rear Anti Roll Bar Bush 12mm (PFR5-1913-12) – 2 per car","offer_id":55889014063433,"sku":"PFR5-1913-12","price":26.75,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 13 – Rear Anti Roll Bar Bush 15mm (PFR5-1913-15) – 2 per car","offer_id":55889014096201,"sku":"PFR5-1913-15","price":26.75,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 13 – Rear Anti Roll Bar Bush 22mm (PFR5-1913-22) – 2 per car","offer_id":55889014128969,"sku":"PFR5-1913-22","price":26.75,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 19 – Rear Subframe Front Bush Insert (PFR5-1920) – 2 per car","offer_id":55889014161737,"sku":"PFR5-1920","price":35.8,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 19 – Rear Subframe Front Mounting Bush (Fast Road) (PFR5-420P) – 2 per car","offer_id":55889014194505,"sku":"PFR5-420P","price":86.28,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 19 – Rear Subframe Front Mounting Bush (Road) (PFR5-420) – 2 per car","offer_id":55889014227273,"sku":"PFR5-420","price":86.28,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 19 – Rear Subframe Front Mounting Bush Anti-Squat (Fast Road) (PFR5-1220) – 2 per car","offer_id":55889014260041,"sku":"PFR5-1220","price":87.64,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 20 – Rear Subframe Rear Bush Insert (PFR5-1921) – 2 per car","offer_id":55889014292809,"sku":"PFR5-1921","price":35.8,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 20 – Rear Subframe Rear Mounting Bush (Fast Road) (PFR5-422P) – 2 per car","offer_id":55889014325577,"sku":"PFR5-422P","price":80.32,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 20 – Rear Subframe Rear Mounting Bush (Road) (PFR5-422) – 2 per car","offer_id":55889014358345,"sku":"PFR5-422","price":73.0,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 21 – Engine Mount Insert Kit (PFF5-4020)","offer_id":55889014391113,"sku":"PFF5-4020","price":42.43,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 26 – Rear Diff Rear Mounting Bush (PFR5-426)","offer_id":55889014423881,"sku":"PFR5-426","price":50.44,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 27 – Rear Diff Front Bush Insert (PFR5-1927) – 2 per car","offer_id":55889014456649,"sku":"PFR5-1927","price":30.5,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 31 – Gear Shift Arm Front Bush Oval (PFF5-4631)","offer_id":55889014489417,"sku":"PFF5-4631","price":25.84,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 32 – Shifter Arm Rear Bush \u0026 Bracket - Road (PFF5-1932)","offer_id":55889014522185,"sku":"PFF5-1932","price":73.0,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 32 – Shifter Arm Rear Bush \u0026 Bracket Fast - Road\/Track (PFF5-1932P)","offer_id":55889014554953,"sku":"PFF5-1932P","price":73.0,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 32 – Shifter Arm Rear Bush (PFF5-4632)","offer_id":55889014587721,"sku":"PFF5-4632","price":38.44,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Jack Pad Adaptor (PF5-4660)","offer_id":55889014620489,"sku":"PF5-4660","price":23.18,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ PowerAlign Wheel Mounting Guide Pin (PF99-514-125)","offer_id":55889014653257,"sku":"PF99-514-125","price":31.18,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Universal Exhaust Mount (EXH032)","offer_id":55889014686025,"sku":"EXH032","price":15.86,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 1 – Front Radius Arm To Chassis Bush (PFF5-4101BLK) – 2 per car","offer_id":55889014718793,"sku":"PFF5-4101BLK","price":92.93,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 2 – Front Control Arm To Chassis Bush (PFF5-4102BLK) – 2 per car","offer_id":55889014751561,"sku":"PFF5-4102BLK","price":47.11,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 3 – Front Anti Roll Bar Bush 22.5mm (PFF5-1903-22.5BLK) – 2 per car","offer_id":55889014784329,"sku":"PFF5-1903-22.5BLK","price":33.22,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 3 – Front Anti Roll Bar Bush 23.6mm (PFF5-1903-23.6BLK) – 2 per car","offer_id":55889014817097,"sku":"PFF5-1903-23.6BLK","price":32.9,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 13 – Rear Anti Roll Bar Bush 12mm (PFR5-1913-12BLK) – 2 per car","offer_id":55889014849865,"sku":"PFR5-1913-12BLK","price":29.89,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 13 – Rear Anti Roll Bar Bush 15mm (PFR5-1913-15BLK) – 2 per car","offer_id":55889014882633,"sku":"PFR5-1913-15BLK","price":29.4,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 13 – Rear Anti Roll Bar Bush 22mm (PFR5-1913-22BLK) – 2 per car","offer_id":55889014915401,"sku":"PFR5-1913-22BLK","price":29.4,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 19 – Rear Subframe Front Bush Insert (PFR5-1920BLK) – 2 per car","offer_id":55889014948169,"sku":"PFR5-1920BLK","price":39.36,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 19 – Rear Subframe Front Mounting Bush (Track\/Msport) (PFR5-420BLK) – 2 per car","offer_id":55889014980937,"sku":"PFR5-420BLK","price":94.9,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 19 – Rear Subframe Front Mounting Bush Anti-Squat (Track\/Msport) (PFR5-1220BLK) – 2 per car","offer_id":55889015013705,"sku":"PFR5-1220BLK","price":96.37,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 20 – Rear Subframe Rear Bush Insert (PFR5-1921BLK) – 2 per car","offer_id":55889015046473,"sku":"PFR5-1921BLK","price":39.36,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 20 – Rear Subframe Rear Mounting Bush (Track\/Msport) (PFR5-422BLK) – 2 per car","offer_id":55889015079241,"sku":"PFR5-422BLK","price":83.64,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 21 – Engine Mount Insert Kit (PFF5-4020BLK)","offer_id":55889015112009,"sku":"PFF5-4020BLK","price":47.11,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 26 – Rear Diff Rear Mounting Bush (PFR5-426BLK)","offer_id":55889015144777,"sku":"PFR5-426BLK","price":55.48,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 27 – Rear Diff Front Bush Insert (PFR5-1927BLK) – 2 per car","offer_id":55889015177545,"sku":"PFR5-1927BLK","price":33.52,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 31 – Gear Shift Arm Front Bush Oval (PFF5-4631BLK)","offer_id":55889015210313,"sku":"PFF5-4631BLK","price":25.84,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 32 – Shifter Arm Rear Bush \u0026 Bracket Fast - Road\/Track (PFF5-1932P)","offer_id":55889015243081,"sku":"PFF5-1932P","price":73.0,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 32 – Shifter Arm Rear Bush (PFF5-4632BLK)","offer_id":55889015275849,"sku":"PFF5-4632BLK","price":41.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/9463\/0729\/files\/powerflex-bmw-4-series-f32-f33-f36-xdrive-2013-2020_7a25a1f9-f1fd-40c1-b40d-64c7490390d3.jpg?v=1794274968"},{"product_id":"powerflex-bmw-4-series-f82-f83-m4-2014-2020","title":"BMW 4 Series F82, F83 M4 (2014 - 2020) Suspension Bushes","description":"\u003cp\u003ePowerflex suspension bushes for the BMW 4 Series F82, F83 M4 (2014 - 2020) are polyurethane replacements for the original rubber bushes. They are available in Road Series and Black Series, with a fitting diagram showing every bush position and part number.\u003c\/p\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eRubber suspension bushes soften, split and let the suspension move out of position as they age. Powerflex polyurethane bushes control that unwanted flex, which keeps the BMW 4 Series F82, F83 M4's suspension geometry where it should be. Powerflex says this prolongs tyre life, improves performance and increases safety on the road. Every bush is made in-house by Powerflex, a UK manufacturer formed in 1996.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePolyurethane replacements for the original rubber suspension bushes\u003c\/li\u003e\n\u003cli\u003eReduces unwanted suspension flex for sharper, more consistent handling\u003c\/li\u003e\n\u003cli\u003eHelps maintain suspension geometry and prolong tyre life\u003c\/li\u003e\n\u003cli\u003eRoad Series compounds matched to each bush position, from 65A to 95A\u003c\/li\u003e\n\u003cli\u003eBlack Series 95 Shore A compound for track and motorsport\u003c\/li\u003e\n\u003cli\u003eFitting diagram for each range showing every bush position\u003c\/li\u003e\n\u003cli\u003eLifetime warranty on road-use parts (Black Series and track use excluded)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecification\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMake: BMW\u003c\/li\u003e\n\u003cli\u003eVehicle: BMW 4 Series F82, F83 M4 (2014 - 2020)\u003c\/li\u003e\n\u003cli\u003eYears: 2014 - 2020\u003c\/li\u003e\n\u003cli\u003eRanges available: Road Series and Black Series\u003c\/li\u003e\n\u003cli\u003eMaterial: polyurethane\u003c\/li\u003e\n\u003cli\u003eFitting diagram: included for each range\u003c\/li\u003e\n\u003cli\u003eWarranty: lifetime on Road Series for road use; Black Series excluded\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment notes\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRoad Series\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003ePFR5-4013-25 fits vehicles with the Competition package only\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003ePFR5-4013-22.9 fits vehicles without the Competition package\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003ePFF5-4632 fits all manual cars before November 2014\u003c\/li\u003e\n\u003cli\u003ePFF5-470 only fits vehicles with manual transmission\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBlack Series\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePFR5-4013-25BLK fits vehicles with the Competition package only\u003c\/li\u003e\n\u003cli\u003ePFR5-4013-22.9BLK fits vehicles without the Competition package\u003c\/li\u003e\n\u003cli\u003ePFF5-4632 fits all manual cars before November 2014\u003c\/li\u003e\n\u003cli\u003ePFF5-470 only fits vehicles with manual transmission\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHeritage Collection\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eWho it's for\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRoad Series\u003c\/strong\u003e for everyday and fast-road driving; \u003cstrong\u003eBlack Series\u003c\/strong\u003e for track days, sprints, hill climbs and circuit racing. It suits owners of the BMW 4 Series F82, F83 M4 who want tighter, more precise handling and bushes that outlast rubber. Check the fitting diagram and your vehicle details before you order.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWhich Powerflex range should I choose for my BMW 4 Series F82, F83 M4?\u003c\/h3\u003e\u003cp\u003eRoad Series suits road and fast-road use. Black Series uses a firmer 95 Shore A compound for track and motorsport. Choose the range that matches how you use the car.\u003c\/p\u003e\u003ch3\u003eAre Powerflex bushes covered by a warranty?\u003c\/h3\u003e\u003cp\u003ePowerflex offers a lifetime warranty to the original purchaser when bought through an authorised distributor. Parts used for track, motorsport or competition, and part numbers ending in BLK (Black Series), are excluded. Source: Powerflex lifetime warranty terms. Checked 9 November 2026.\u003c\/p\u003e\u003ch3\u003eWill polyurethane bushes make the ride harsher?\u003c\/h3\u003e\u003cp\u003ePolyurethane is firmer than rubber, so you will feel the car respond more directly. Road Series kits use different compounds for different positions, from 65A to 95A, to balance control with comfort. Black Series is the firmest at 95 Shore A.\u003c\/p\u003e\u003ch3\u003eHow do I know which bushes I need?\u003c\/h3\u003e\u003cp\u003eUse the fitting diagram for your chosen range. It numbers every bush position on the BMW 4 Series F82, F83 M4 and gives the matching Powerflex part number, so you can replace a single worn bush or the whole set.\u003c\/p\u003e\u003ch3\u003eIs there anything to check before ordering?\u003c\/h3\u003e\u003cp\u003eYes. Read the fitment notes above, as some parts only fit certain years or specifications of the BMW 4 Series F82, F83 M4.\u003c\/p\u003e","brand":"Powerflex","offers":[{"title":"Road Series \/ Ref 1 – Front Radius Arm To Chassis Bush (PFF5-4001) – 2 per car","offer_id":55889016324425,"sku":"PFF5-4001","price":78.97,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 1 – Front Radius Arm To Chassis Bush Caster Adjustable (PFF5-4001G) – 2 per car","offer_id":55889016357193,"sku":"PFF5-4001G","price":95.57,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Bush 26.5mm (PFF5-1203-26.5) – 2 per car","offer_id":55889016389961,"sku":"PFF5-1203-26.5","price":28.36,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Bush 28mm (PFF5-1203-28) – 2 per car","offer_id":55889016422729,"sku":"PFF5-1203-28","price":28.36,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 13 – Rear Anti Roll Bar Bush 25mm (PFR5-4013-25) – 2 per car","offer_id":55889016455497,"sku":"PFR5-4013-25","price":28.36,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 13 – Rear Anti-Roll Bar Bush 22.9mm (PFR5-4013-22.9) – 2 per car","offer_id":55889016488265,"sku":"PFR5-4013-22.9","price":28.48,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 15 – Rear Lower Lateral Arm Inner Bush (PFR5-1215) – 2 per car","offer_id":55889016521033,"sku":"PFR5-1215","price":66.36,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 20 – Engine Mount Insert Kit (PFF5-4021)","offer_id":55889016553801,"sku":"PFF5-4021","price":40.46,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 21 – Rear Diff Front Mounting Bush (PFR5-4025) – 4 per car","offer_id":55889016586569,"sku":"PFR5-4025","price":77.0,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 22 – Rear Diff Rear Mounting Bush (PFR5-4026)","offer_id":55889016619337,"sku":"PFR5-4026","price":90.29,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 30 – Dual-Mount Rear Differential Bracket (PFR5-4030)","offer_id":55889016652105,"sku":"PFR5-4030","price":309.47,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 31 – Gear Shift Arm Front Bush Oval (PFF5-4631)","offer_id":55889016684873,"sku":"PFF5-4631","price":25.84,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 32 – Shifter Arm Rear Bush \u0026 Bracket - 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They are available in Road Series and Black Series, with a fitting diagram showing every bush position and part number.\u003c\/p\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eRubber suspension bushes soften, split and let the suspension move out of position as they age. Powerflex polyurethane bushes control that unwanted flex, which keeps the BMW 4 Series G22, G23's suspension geometry where it should be. Powerflex says this prolongs tyre life, improves performance and increases safety on the road. Every bush is made in-house by Powerflex, a UK manufacturer formed in 1996.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePolyurethane replacements for the original rubber suspension bushes\u003c\/li\u003e\n\u003cli\u003eReduces unwanted suspension flex for sharper, more consistent handling\u003c\/li\u003e\n\u003cli\u003eHelps maintain suspension geometry and prolong tyre life\u003c\/li\u003e\n\u003cli\u003eRoad Series compounds matched to each bush position, from 65A to 95A\u003c\/li\u003e\n\u003cli\u003eBlack Series 95 Shore A compound for track and motorsport\u003c\/li\u003e\n\u003cli\u003eFitting diagram for each range showing every bush position\u003c\/li\u003e\n\u003cli\u003eLifetime warranty on road-use parts (Black Series and track use excluded)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecification\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMake: BMW\u003c\/li\u003e\n\u003cli\u003eVehicle: BMW 4 Series G22, G23 (2020 on)\u003c\/li\u003e\n\u003cli\u003eYears: 2020 on\u003c\/li\u003e\n\u003cli\u003eRanges available: Road Series and Black Series\u003c\/li\u003e\n\u003cli\u003eMaterial: polyurethane\u003c\/li\u003e\n\u003cli\u003eFitting diagram: included for each range\u003c\/li\u003e\n\u003cli\u003eWarranty: lifetime on Road Series for road use; Black Series excluded\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment notes\u003c\/h2\u003e\u003cul\u003e\u003cli\u003ePFF5-4020only fits the cars with the B58\u003cbr\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWho it's for\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRoad Series\u003c\/strong\u003e for everyday and fast-road driving; \u003cstrong\u003eBlack Series\u003c\/strong\u003e for track days, sprints, hill climbs and circuit racing. It suits owners of the BMW 4 Series G22, G23 who want tighter, more precise handling and bushes that outlast rubber. Check the fitting diagram and your vehicle details before you order.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWhich Powerflex range should I choose for my BMW 4 Series G22, G23?\u003c\/h3\u003e\u003cp\u003eRoad Series suits road and fast-road use. Black Series uses a firmer 95 Shore A compound for track and motorsport. Choose the range that matches how you use the car.\u003c\/p\u003e\u003ch3\u003eAre Powerflex bushes covered by a warranty?\u003c\/h3\u003e\u003cp\u003ePowerflex offers a lifetime warranty to the original purchaser when bought through an authorised distributor. Parts used for track, motorsport or competition, and part numbers ending in BLK (Black Series), are excluded. Source: Powerflex lifetime warranty terms. Checked 9 November 2026.\u003c\/p\u003e\u003ch3\u003eWill polyurethane bushes make the ride harsher?\u003c\/h3\u003e\u003cp\u003ePolyurethane is firmer than rubber, so you will feel the car respond more directly. Road Series kits use different compounds for different positions, from 65A to 95A, to balance control with comfort. Black Series is the firmest at 95 Shore A.\u003c\/p\u003e\u003ch3\u003eHow do I know which bushes I need?\u003c\/h3\u003e\u003cp\u003eUse the fitting diagram for your chosen range. It numbers every bush position on the BMW 4 Series G22, G23 and gives the matching Powerflex part number, so you can replace a single worn bush or the whole set.\u003c\/p\u003e\u003ch3\u003eIs there anything to check before ordering?\u003c\/h3\u003e\u003cp\u003eYes. Read the fitment notes above, as some parts only fit certain years or specifications of the BMW 4 Series G22, G23.\u003c\/p\u003e","brand":"Powerflex","offers":[{"title":"Road Series \/ Ref 21 – Engine Mount Insert Kit (PFF5-4020)","offer_id":55889018257737,"sku":"PFF5-4020","price":42.43,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Jack Pad Adaptor (PF5-4660)","offer_id":55889018290505,"sku":"PF5-4660","price":23.18,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ PowerAlign Wheel Mounting Guide Pin (PF99-514-125)","offer_id":55889018323273,"sku":"PF99-514-125","price":31.18,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 21 – Engine Mount Insert Kit (PFF5-4020BLK)","offer_id":55889018356041,"sku":"PFF5-4020BLK","price":47.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/9463\/0729\/files\/powerflex-bmw-4-series-g22-g23-2020-on_4837dbc3-4094-4180-be06-a2936465fbac.jpg?v=1794274969"},{"product_id":"powerflex-bmw-4-series-g82-g83-m4-2020-on","title":"BMW 4 Series G82, G83 M4 (2020 on) Suspension Bushes","description":"\u003cp\u003ePowerflex suspension bushes for the BMW 4 Series G82, G83 M4 (2020 on) are polyurethane replacements for the original rubber bushes. 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Every bush is made in-house by Powerflex, a UK manufacturer formed in 1996.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePolyurethane replacements for the original rubber suspension bushes\u003c\/li\u003e\n\u003cli\u003eReduces unwanted suspension flex for sharper, more consistent handling\u003c\/li\u003e\n\u003cli\u003eHelps maintain suspension geometry and prolong tyre life\u003c\/li\u003e\n\u003cli\u003eRoad Series compounds matched to each bush position, from 65A to 95A\u003c\/li\u003e\n\u003cli\u003eBlack Series 95 Shore A compound for track and motorsport\u003c\/li\u003e\n\u003cli\u003eFitting diagram for each range showing every bush position\u003c\/li\u003e\n\u003cli\u003eLifetime warranty on road-use parts (Black Series and track use excluded)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecification\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMake: BMW\u003c\/li\u003e\n\u003cli\u003eVehicle: BMW 4 Series G82, G83 M4 (2020 on)\u003c\/li\u003e\n\u003cli\u003eYears: 2020 on\u003c\/li\u003e\n\u003cli\u003eRanges available: Road Series and Black Series\u003c\/li\u003e\n\u003cli\u003eMaterial: polyurethane\u003c\/li\u003e\n\u003cli\u003eFitting diagram: included for each range\u003c\/li\u003e\n\u003cli\u003eWarranty: lifetime on Road Series for road use; Black Series excluded\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment notes\u003c\/h2\u003e\u003cul\u003e\u003cli\u003ePFF5-2303-29 will not fit 2WD\/AWD Competition or CS models due to running a smaller bar size.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWho it's for\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRoad Series\u003c\/strong\u003e for everyday and fast-road driving; \u003cstrong\u003eBlack Series\u003c\/strong\u003e for track days, sprints, hill climbs and circuit racing. 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Checked 9 November 2026.\u003c\/p\u003e\u003ch3\u003eWill polyurethane bushes make the ride harsher?\u003c\/h3\u003e\u003cp\u003ePolyurethane is firmer than rubber, so you will feel the car respond more directly. Road Series kits use different compounds for different positions, from 65A to 95A, to balance control with comfort. Black Series is the firmest at 95 Shore A.\u003c\/p\u003e\u003ch3\u003eHow do I know which bushes I need?\u003c\/h3\u003e\u003cp\u003eUse the fitting diagram for your chosen range. It numbers every bush position on the BMW 4 Series G82, G83 M4 and gives the matching Powerflex part number, so you can replace a single worn bush or the whole set.\u003c\/p\u003e\u003ch3\u003eIs there anything to check before ordering?\u003c\/h3\u003e\u003cp\u003eYes. 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