{"product_id":"wavetrac-lsd-for-bmw-215k-axle-welded-ring-gear-r-3-08-e9x-335i-e8x-135i","title":"Wavetrac LSD for BMW 215K Axle, Welded Ring Gear, r=3.08+: E9x 335i \u0026 E8x 135i","description":"\u003cp\u003eA limited slip differential for BMW's 215K rear axle in the version with a welded ring gear and a final drive of 3.08 or higher - the axle under the E9x 335i and E8x 135i. The factory ring gear is welded to an open diff, so it has to be separated and machined by a specialist before the Wavetrac can be bolted in.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor BMW's 215K axle with a welded ring gear, 3.08 or higher final drive\u003c\/li\u003e\n\u003cli\u003eE9x 335i and E8x 135i\u003c\/li\u003e\n\u003cli\u003eThe welded ring gear needs specialist machining (not included)\u003c\/li\u003e\n\u003cli\u003eKeeps drive on the gripping rear wheel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCheck before you order\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe factory ring gear is friction-welded to the open differential: it has to be split off, machined and threaded to take the Wavetrac and ARP bolts. Machining and bolts are not included.\u003c\/li\u003e\n\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\n\u003c\/ul\u003e\n\u003ctable class=\"spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003ctd\u003e30.309.155WK\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, welded ring gear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinal drive ratio\u003c\/th\u003e\n\u003ctd\u003e3.08 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\u003e1-Series\u003c\/td\u003e\n\u003ctd\u003eE82 135i\u003c\/td\u003e\n\u003ctd\u003e2007-2013\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\u003e3-Series\u003c\/td\u003e\n\u003ctd\u003eE90 335i\u003c\/td\u003e\n\u003ctd\u003e2007-2013\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":57513716646268,"sku":"30.309.155WK","price":1428.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/wavetrac-30-309-155wk-wavetrac-lsd-for-bmw-215k-axle-welded-ring-gear-r-3-08-e9x-3-1.jpg?v=1790680779","url":"https:\/\/fdracing.co.uk\/products\/wavetrac-lsd-for-bmw-215k-axle-welded-ring-gear-r-3-08-e9x-335i-e8x-135i","provider":"FD Racing","version":"1.0","type":"link"}