{"product_id":"wavetrac-bmw-f22-f30-differential-install-kit-inc-228i-328i-1","title":"Wavetrac Limited Slip Differential (LSD) Install Kit for BMW F22 228i \u0026 F30 328i – 3.91 Final Drive – Includes ARP Ring Gear Bolts – Part No. 30.309.185WK","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \u003ch2\u003eWavetrac BMW F22 F30 Differential Install Kit for 228i and 328i – Part No. 30.309.185WK\u003c\/h2\u003e\n\n  \u003cp\u003e\n    Upgrade your BMW with the Wavetrac limited slip differential install kit and transform traction, grip and acceleration. This Wavetrac LSD kit is engineered for BMW F22 228i and BMW F30 328i models with the 3.91 final drive ratio. If you are searching for a BMW 228i limited slip differential, BMW 328i limited slip differential, BMW F22 LSD, BMW F30 LSD, or a Wavetrac differential upgrade for F22 and F30 platforms, this is the proven solution for fast-road and track-day performance with daily-driver reliability.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Customers choose Wavetrac for its patented design that automatically improves grip in low traction conditions, delivering confident power down on corner exit and reducing inside wheel spin. We have installed and used Wavetrac differentials ourselves and our customers consistently report sharper acceleration, predictable handling and a major step up in real-world traction without compromise to everyday drivability.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhy choose the Wavetrac LSD for your BMW 228i or 328i?\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePatented Wavetrac design automatically improves grip in low traction conditions for superior on-road and track performance.\u003c\/li\u003e\n    \u003cli\u003e9310 steel gears in case-hardened billet or forged steel bodies for outstanding strength and durability.\u003c\/li\u003e\n    \u003cli\u003eAs supplied new, the Wavetrac differential is designed to deliver a lifetime of service without maintenance or rebuilds.\u003c\/li\u003e\n    \u003cli\u003eFaster, more consistent acceleration and improved corner exit traction compared with an open differential.\u003c\/li\u003e\n    \u003cli\u003eIdeal BMW differential upgrade for F22 228i and F30 328i owners seeking a performance-oriented limited slip differential.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat’s included\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eWavetrac Differential\u003c\/li\u003e\n    \u003cli\u003eCustomer's machined ring gear\u003c\/li\u003e\n    \u003cli\u003ePrecision-ground spacer ring (where required)\u003c\/li\u003e\n    \u003cli\u003eSet of 10 custom, high strength ARP ring gear bolts\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW 2 Series F22 228i (2014–2016) [r=3.91]\u003c\/li\u003e\n    \u003cli\u003eBMW 3 Series F30 328i (2011–2015) [r=3.91]\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    If you are searching for “BMW F22 228i LSD upgrade”, “BMW F30 328i LSD install kit”, “Wavetrac LSD 228i”, or “Wavetrac LSD 328i”, this kit is the correct fit for the models listed above with the 3.91 ratio.\n  \u003c\/p\u003e\n\n  \u003ch3\u003ePart Number\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003e30.309.185WK\u003c\/strong\u003e\u003c\/p\u003e\n\n  \u003ch3\u003eFitment and installation\u003c\/h3\u003e\n  \u003cp\u003e\n    Professional installation is recommended. For fitting, choose Nforcd in Warwickshire. We offer expert advice, installation and setup for Wavetrac limited slip differentials on BMW F22 and F30 platforms. Request a fitting quote by emailing \u003ca href=\"mailto:Sales@nforcd.com\"\u003eSales@nforcd.com\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCompatibility check before dispatch\u003c\/h3\u003e\n  \u003cp\u003e\n    To ensure this Wavetrac differential install kit fits your vehicle, we run a compatibility check prior to dispatch. Provide your registration number (UK) or the last 7 digits of your VIN at checkout and our team will confirm fitment.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWarranty\u003c\/h3\u003e\n  \u003cp\u003eWavetrac Differential Limited Lifetime Warranty.\u003c\/p\u003e\n\n  \u003ch3\u003eTrusted by enthusiasts\u003c\/h3\u003e\n  \u003cp\u003e\n    Nforcd customers choose Wavetrac for dependable performance, premium build quality and repeatable results on both road and track. If you want a BMW differential upgrade that delivers measurable traction gains and long-term reliability, the Wavetrac LSD install kit for the BMW 228i and 328i is the one to buy.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Keywords: Wavetrac LSD, Wavetrac BMW F22, Wavetrac BMW F30, BMW 228i limited slip differential, BMW 328i limited slip differential, BMW F22 LSD upgrade, BMW F30 LSD upgrade, differential install kit, ARP ring gear bolts, 3.91 ratio BMW diff, BMW performance differential, BMW traction upgrade, Wavetrac differential 30.309.185WK.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wavetrac","offers":[{"title":"Default Title","offer_id":42399924519100,"sku":null,"price":613.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/9465\/6700\/products\/WavetracR_30309170WK_kit320-2-600x600.jpg?v=1680266729","url":"https:\/\/www.nforcd.com\/products\/wavetrac-bmw-f22-f30-differential-install-kit-inc-228i-328i-1","provider":"Nforcd","version":"1.0","type":"link"}