{"product_id":"powerflex-pff5-2301g-bmw-g87-g80-caster-radius-arm-bushes","title":"Powerflex Caster-Adjustable Radius Arm Bushes - BMW G87 M2 \u0026 G80 M3 RWD - Pair","description":"\u003cp\u003e\u003cstrong\u003eCaster-adjustable front radius-arm bushes, supplied as a pair for the listed rear-wheel-drive BMW G87 M2 and G80 M3 applications.\u003c\/strong\u003e This Powerflex family combines replacement polyurethane bushes with offset adjustment hardware for an alignment-led suspension upgrade.\u003c\/p\u003e\u003ch2\u003eCaster adjustment and mounting position\u003c\/h2\u003e\u003cp\u003ePowerflex specifies up to \u003cstrong\u003eplus or minus 0.75 degrees of caster adjustment\u003c\/strong\u003e. These bushes fit the front radius-arm mounting, not the rear differential or the separate control-arm camber position. Final alignment must be measured and set after fitting rather than assumed from the bush orientation alone.\u003c\/p\u003e\u003ch2\u003eDrivetrain restriction\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eThis listing is offered for RWD cars only.\u003c\/strong\u003e Powerflex specifically excludes xDrive from PFF5-2301G. Its catalogue wording is not consistent across every related variant, so no xDrive fitment is offered here for either option. For a non-adjustable alternative with manufacturer-listed AWD\/RWD support, see the \u003ca href=\"\/products\/powerflex-pff5-2301-bmw-g87-m2-g80-m3-front-radius-arm-bushes\"\u003ePFF5-2301 radius-arm bush pair\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eSpecification and contents\u003c\/h2\u003e\u003cp\u003eSelect \u003cstrong\u003ePFF5-2301G Road Series\u003c\/strong\u003e or \u003cstrong\u003ePFF5-2301GBLK Black Series\u003c\/strong\u003e. Both are listed with 95A polyurethane, outer shells and adjustment hardware. Price and quantity are for two bushes, not complete arms. Manufacturer-listed BMW references are \u003cstrong\u003e31108095667 and 31108095668\u003c\/strong\u003e.\u003c\/p\u003e\u003ch2\u003eInstallation\u003c\/h2\u003e\u003cp\u003eCheck the chassis, drivetrain and existing arms before ordering. Follow the supplied instructions and arrange a professional geometry check. Increased stiffness can alter noise and vibration, and there is no blanket fitment guarantee for modified cars.\u003c\/p\u003e\u003cp\u003eExplore the \u003ca href=\"\/collections\/powerflex-performance-polyurethane-bushes\"\u003ePowerflex range\u003c\/a\u003e or consult the \u003ca href=\"https:\/\/www.powerflex.co.uk\/product-details\/Front%2BRadius%2BArm%2BBush%2BCaster%2BAdjustable%2B\/14696.html\"\u003emanufacturer's PFF5-2301G specification\u003c\/a\u003e.\u003c\/p\u003e","brand":"Powerflex","offers":[{"title":"Road Series","offer_id":65968281256285,"sku":"PFF5-2301G","price":175.27,"currency_code":"GBP","in_stock":false},{"title":"Black Series","offer_id":65968281289053,"sku":"PFF5-2301GBLK","price":175.27,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/0411\/2989\/files\/powerflex-pff5-2301g-bmw-caster-radius-arm-bushes.png?v=1789890933","url":"https:\/\/nineteen72performance.co.uk\/products\/powerflex-pff5-2301g-bmw-g87-g80-caster-radius-arm-bushes","provider":"Nineteen72 Performance","version":"1.0","type":"link"}