{"product_id":"wavetrac-lsd-for-bmw-215k-axle-bolted-ring-gear-r-2-81-early-e9x-335i-e39-540i-z8","title":"Wavetrac LSD for BMW 215K Axle, Bolted Ring Gear, r=2.81+: Early E9x 335i, E39 540i, Z8","description":"\u003cp\u003eA limited slip differential for BMW's 215K rear axle with a bolted ring gear and a final drive of 2.81 or higher: the early E9x 335i built before March 2007, every E39 540i and the E52 Z8. Because the ring gear bolts on, it moves across to the Wavetrac with no machining, and the V8 or twin-turbo six then drives the wheel with grip.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor BMW's 215K axle with a bolted ring gear, 2.81 or higher final drive\u003c\/li\u003e\n\u003cli\u003eE9x 335i before 03\/2007, all E39 540i, E52 Z8\u003c\/li\u003e\n\u003cli\u003eDrive stays with the gripping rear wheel\u003c\/li\u003e\n\u003cli\u003e9310 alloy steel gears, case-hardened billet body, ARP fasteners\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCheck before you order\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eThe cars listed are a guide only: BMW fitted more than one axle size and final drive ratio to the same model. Confirm your axle size and ratio from the VIN or the axle's part number before ordering.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ctable class=\"spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003ctd\u003e30.309.170WK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eAutomatic torque-biasing limited slip differential (helical gear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGears\u003c\/th\u003e\n\u003ctd\u003e9310 alloy steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiff body\u003c\/th\u003e\n\u003ctd\u003eMachined from case-hardened steel billet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFasteners\u003c\/th\u003e\n\u003ctd\u003eARP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBias plates\u003c\/th\u003e\n\u003ctd\u003eCarbon fibre as standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMade in\u003c\/th\u003e\n\u003ctd\u003eUSA, by Autotech Driveline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAxle\u003c\/th\u003e\n\u003ctd\u003eBMW 215K, bolted ring gear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinal drive ratio\u003c\/th\u003e\n\u003ctd\u003e2.81 and higher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ctable class=\"fitment-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eVersion\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3-Series\u003c\/td\u003e\n\u003ctd\u003eE90 335i to 03\/2007\u003c\/td\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eRear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e5-Series\u003c\/td\u003e\n\u003ctd\u003eE39 540i\u003c\/td\u003e\n\u003ctd\u003e1996-2003\u003c\/td\u003e\n\u003ctd\u003eRear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eZ8\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e2000-2003\u003c\/td\u003e\n\u003ctd\u003eRear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Wavetrac","offers":[{"title":"Default Title","offer_id":57513719103868,"sku":"30.309.170WK","price":1428.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/wavetrac-30-309-170wk-wavetrac-lsd-for-bmw-215k-axle-bolted-ring-gear-r-2-81-early-1.jpg?v=1790680839","url":"https:\/\/fdracing.co.uk\/products\/wavetrac-lsd-for-bmw-215k-axle-bolted-ring-gear-r-2-81-early-e9x-335i-e39-540i-z8","provider":"FD Racing","version":"1.0","type":"link"}