{"product_id":"wisefab-rear-suspension-drop-knuckle-kit-for-2015-2020-bmw-m4-f82","title":"Wisefab Rear Suspension Drop Knuckle Kit for 2015-2020 BMW M4 (F82)","description":"\u003cp\u003eThe Wisefab Rear Suspension Drop Knuckle Kit for the 2015-2020 BMW M4 (F82) replaces the factory rear geometry with a revised, motorsport-grade layout — dropped knuckle, upgraded arms, and optimized roll-center, camber-gain, and anti-squat kinematics. Purpose-built for drift and time attack, this F82 rear kit delivers stronger grip, broader adjustability, and significant weight reduction over OEM components.\u003c\/p\u003e\n\u003cp\u003eEngineered in Estonia and proven across Formula Drift, club-level drift, and time attack, every Wisefab kit is fabricated from high-strength steel and CrMo with all components available as spares to keep you on track. Pair with the matching F82 front angle kit for a complete Wisefab chassis overhaul.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDropped-knuckle geometry with revised roll center and camber gain\u003c\/li\u003e\n\u003cli\u003eUpgraded camber, toe, and traction arm hardware\u003c\/li\u003e\n\u003cli\u003eBump-steer adjustability for track alignment\u003c\/li\u003e\n\u003cli\u003eReinforced knuckle construction for race loads\u003c\/li\u003e\n\u003cli\u003eSignificant weight reduction versus OEM\u003c\/li\u003e\n\u003cli\u003eCrMo rod ends and spherical bearings throughout\u003c\/li\u003e\n\u003cli\u003eSpare parts available for every component\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKit Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLeft and right dropped knuckles with hardware\u003c\/li\u003e\n\u003cli\u003eUpgraded toe, camber, and traction arms (as applicable)\u003c\/li\u003e\n\u003cli\u003eSpherical rod ends and bearings\u003c\/li\u003e\n\u003cli\u003eInstallation guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHelpful Links\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/usa.wisefab.com\/wf801-bmw-f80-f82-f87-rear-suspension-drop-knuckle-kit#amfile_attachment\" target=\"_blank\" rel=\"noopener\"\u003eInstallation Manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable class=\"table table-striped table-primary\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eWF801\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Name\u003c\/td\u003e\n\u003ctd\u003eWisefab Rear Suspension Drop Knuckle Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle\u003c\/td\u003e\n\u003ctd\u003e2015-2020 BMW M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Code\u003c\/td\u003e\n\u003ctd\u003eF82\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrivetrain\u003c\/td\u003e\n\u003ctd\u003eRWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlacement\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eVehicle Fitment\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e2015 BMW M4 (F82)\u003c\/li\u003e\n\u003cli\u003e2016 BMW M4 (F82)\u003c\/li\u003e\n\u003cli\u003e2017 BMW M4 (F82)\u003c\/li\u003e\n\u003cli\u003e2018 BMW M4 (F82)\u003c\/li\u003e\n\u003cli\u003e2019 BMW M4 (F82)\u003c\/li\u003e\n\u003cli\u003e2020 BMW M4 (F82)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wisefab","offers":[{"title":"Default Title","offer_id":44215004921916,"sku":"WF801","price":2750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0000\/2183\/files\/wisefab-rear-suspension-drop-knuckle-kit-for-2015-2020-bmw-m4-f82-wf801-1234421909.jpg?v=1777241776","url":"https:\/\/www.springrates.com\/products\/wisefab-rear-suspension-drop-knuckle-kit-for-2015-2020-bmw-m4-f82","provider":"SPRINGRATES®","version":"1.0","type":"link"}