{"product_id":"mfactory-bmw-final-drive-gears-e90-e92-m135i-m235i-135i-335i","title":"MFactory BMW Differential Final Drive Ring \u0026 Pinion Gears 3.08 Ratio - E82 E88 135i, E90 E91 E92 E93 335i\/335d, F20 F21 M135i, F22 F23 M235i, F30 F31 335i, 435i","description":"\u003cdiv class=\"product-description\"\u003e\n  \u003ch2\u003ePerformance Crown Wheel and Pinion 3.08 Ratio for BMW 1 Series, 3 Series and 4 Series\u003c\/h2\u003e\n\n  \u003cp\u003eTransform how your BMW delivers power with this premium 3.08 crown wheel and pinion gearset. A ratio change breathes life into the driveline, giving you stronger pull in-gear, crisper throttle response and that urgent surge you want on B-roads, track days and drag launches. Expect an average 10 to 15 percent increase in torque feel across the rev range compared with the stock gearing, plus superb efficiency that gets more power to the tarmac.\u003c\/p\u003e\n\n  \u003cp\u003eWe run these on our own cars and customer builds, and the results have been brilliant. Fitment is precise, noise is minimal when set up correctly and durability is outstanding. If you are chasing quicker real-world acceleration without touching the engine, a 3.08 ratio gear swap is the smart upgrade.\u003c\/p\u003e\n\n  \u003ch3\u003eWhy enthusiasts choose this rear axle gear set\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDiamond cut from forged high nickel chromium molybdenum steel for serious strength under hard launches\u003c\/li\u003e\n    \u003cli\u003eSolidWorks CAD and Cosmos FEA engineered tooth profile for optimal mesh and load distribution\u003c\/li\u003e\n    \u003cli\u003eAdvanced gear geometry that reduces parasitic loss and improves power transfer to the wheels\u003c\/li\u003e\n    \u003cli\u003eRace proven components that on average put 1 to 2 percent more power to the ground versus rivals\u003c\/li\u003e\n    \u003cli\u003eBeautiful finish and exacting tolerances for straightforward installation and long service life\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eTechnical specification\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eMaterial: Japanese SAE 8620 and 4320 steel\u003c\/li\u003e\n    \u003cli\u003eProcess: Forged, double tempered and super sub-zero treated for toughness\u003c\/li\u003e\n    \u003cli\u003eSurface: Advanced shot peened for fatigue resistance\u003c\/li\u003e\n    \u003cli\u003eEngineering: CAD and FEA optimised gear geometry\u003c\/li\u003e\n    \u003cli\u003eRatio: 3.08 axle ratio\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eVehicle compatibility\u003c\/h3\u003e\n  \u003cp\u003eSuitable for BMW platforms originally equipped with a 3.08 ratio:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eE82 E88 135i manual and DCT\u003c\/li\u003e\n    \u003cli\u003eE90 E91 E92 E93 335i and 335d manual and DCT\u003c\/li\u003e\n    \u003cli\u003eF20 F21 M135i 2012+ manual\u003c\/li\u003e\n    \u003cli\u003eF22 F23 M235i 2012+ manual\u003c\/li\u003e\n    \u003cli\u003eF30 F31 335i 2012+ manual\u003c\/li\u003e\n    \u003cli\u003eF32 F36 435i 2012+ manual\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eReal-world gains you will feel\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eFaster in-gear pull for overtakes and corner exits\u003c\/li\u003e\n    \u003cli\u003eSharper response without compromising OEM drivability\u003c\/li\u003e\n    \u003cli\u003eHigh strength gearset that thrives on spirited use\u003c\/li\u003e\n    \u003cli\u003eLoved by MJ Modifications customers who want a dependable driveline upgrade\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003ePart number\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eMF-TRS-02E31\u003c\/strong\u003e\u003c\/p\u003e\n\n  \u003ch3\u003eManufacturer\u003c\/h3\u003e\n  \u003cp\u003eMFactory\u003c\/p\u003e\n\n  \u003ch3\u003eWarranty\u003c\/h3\u003e\n  \u003cp\u003eLifetime warranty\u003c\/p\u003e\n\n  \u003ch3\u003eProfessional fitting and setup\u003c\/h3\u003e\n  \u003cp\u003eCorrect backlash and preload are essential for longevity and quiet operation. For supply and installation, choose MJ Modifications in Warwickshire. Request a quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\u003c\/p\u003e\n\n  \u003ch3\u003eCompatibility check before dispatch\u003c\/h3\u003e\n  \u003cp\u003eWe will verify fitment before shipping. Please provide your UK registration or the last 7 digits of your VIN at checkout.\u003c\/p\u003e\n\n  \u003ch3\u003ePopular search terms\u003c\/h3\u003e\n  \u003cp\u003eBMW crown wheel and pinion 3.08, BMW rear diff ratio swap, BMW axle ratio upgrade, BMW 3.08 gear set, BMW 135i gear ratio, BMW 335i rear end gears, BMW 335d gearset, BMW M135i crownwheel and pinion, BMW M235i diff ratio, BMW 435i ring and pinion, BMW E82 E88 E90 E91 E92 E93 E9x gearing, BMW F20 F21 F22 F23 F30 F31 F32 F36 driveline upgrade, BMW manual and DCT differential ratio, performance diff gears for BMW, BMW final drive ratio change.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"MFactory","offers":[{"title":"Default Title","offer_id":56008706163074,"sku":null,"price":947.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/MFactory_BMW_Final_Drive_Gears_E90_E92_M135i_M235i_135i_335i_-_1_1946x_f98b7cbf-e8ad-422a-bd8f-3f6a36f93f50.jpg?v=1764091066","url":"https:\/\/mjmodifications.co.uk\/products\/mfactory-bmw-final-drive-gears-e90-e92-m135i-m235i-135i-335i","provider":"MJ Modifications","version":"1.0","type":"link"}