{"product_id":"wavetrac-lsd-for-bmw-215lws-axle-r-3-15-toyota-gr-supra-a90-3-0-bmw-z4-m40i-g29-e-diff-replacement","title":"Wavetrac LSD for BMW 215LWS Axle, r=3.15: Toyota GR Supra A90 3.0 \u0026 BMW Z4 M40i G29 (E-Diff Replacement)","description":"\u003cp\u003eA limited slip differential for the BMW 215LWS rear axle with a 3.15 final drive, shared by the Toyota GR Supra A90 3.0 and the BMW Z4 M40i. It takes the place of the factory electronic diff on the 3.0 models, automatic or manual, and keeps the drive on the rear wheel with grip. Some cars have a welded ring gear that needs machining first.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor the 215LWS axle, 3.15 final drive: GR Supra A90 3.0 and Z4 M40i\u003c\/li\u003e\n\u003cli\u003eReplaces the e-diff on the 3.0 models, automatic and manual\u003c\/li\u003e\n\u003cli\u003eSome ring gears are welded and need machining (not included)\u003c\/li\u003e\n\u003cli\u003eDrive stays 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\u003eSome of these cars have the factory ring gear welded to the differential; it then needs specialist machining and an ARP bolt kit, not included.\u003c\/li\u003e\n\u003cli\u003eIt replaces the car's electronic differential (e-diff).\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\u003e30.309.180WK\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 215LWS with the electronic differential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinal drive ratio\u003c\/th\u003e\n\u003ctd\u003e3.15\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\u003eZ4\u003c\/td\u003e\n\u003ctd\u003eG29 M40i\u003c\/td\u003e\n\u003ctd\u003e2019 on\u003c\/td\u003e\n\u003ctd\u003eRear axle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eGR Supra\u003c\/td\u003e\n\u003ctd\u003eA90 3.0\u003c\/td\u003e\n\u003ctd\u003e2019 on\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":57513720021372,"sku":"30.309.180WK","price":1740.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/30.309.180wk-1.png?v=1790680897","url":"https:\/\/fdracing.co.uk\/products\/wavetrac-lsd-for-bmw-215lws-axle-r-3-15-toyota-gr-supra-a90-3-0-bmw-z4-m40i-g29-e-diff-replacement","provider":"FD Racing","version":"1.0","type":"link"}