{"product_id":"powerflex-bmw-8-series-e31-1989-1999","title":"BMW 8 Series E31 (1989 - 1999) Suspension Bushes","description":"\u003cp\u003ePowerflex suspension bushes for the BMW 8 Series E31 (1989 - 1999) are polyurethane replacements for the original rubber bushes. They are available in Road Series, Black Series and Heritage Collection, 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 8 Series E31'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\u003eHeritage Collection in dark grey, keeping the look of a standard rubber bush\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 8 Series E31 (1989 - 1999)\u003c\/li\u003e\n\u003cli\u003eYears: 1989 - 1999\u003c\/li\u003e\n\u003cli\u003eRanges available: Road Series, Black Series and Heritage Collection\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 and Heritage Collection 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;\"\u003eCheck anti roll bar diameter before ordering \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003ePFF5-470 only fits vehicles with manual transmission.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBlack Series\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003eCheck anti roll bar diameters before ordering \u003c\/span\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHeritage Collection\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eCheck anti roll bar diameters before ordering \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; \u003cstrong\u003eHeritage Collection\u003c\/strong\u003e for classic and collector cars where an original look matters. It suits owners of the BMW 8 Series E31 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 8 Series E31?\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. Heritage Collection is designed for classic cars and looks like a standard rubber bush. 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 8 Series E31 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 8 Series E31.\u003c\/p\u003e","brand":"Powerflex","offers":[{"title":"Road Series \/ Ref 1 – Front Upper Control Arm Bush (PFF5-601) – 2 per car","offer_id":55889062068553,"sku":"PFF5-601","price":45.76,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Mounting 27mm (PFF5-310-27) – 2 per car","offer_id":55889062101321,"sku":"PFF5-310-27","price":26.51,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Mounting Bush 24mm (PFF5-310-24) – 2 per car","offer_id":55889062134089,"sku":"PFF5-310-24","price":27.18,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Mounting Bush 25mm (PFF5-310-25) – 2 per car","offer_id":55889062166857,"sku":"PFF5-310-25","price":26.51,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Mounting Bush 26mm 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