MFactory BMW Final Drive Gears – E82 E88 135i, E90 E91 E92 E93 335i 335d, F20 F21 M135i, F22 F23 M235i, F30 F31 335i, 435i – 3.08 Ratio
Unlock serious acceleration and sharper drivability with the MFactory Final Drive Gears. Upgrading the final drive ratio transforms how your BMW pulls through the rev range, delivering on average a 10 to 15 percent increase in torque feel across the entire rev band versus the OEM final drive. If you want faster in-gear acceleration, stronger throttle response and a more urgent car on road or track, this MFactory ring and pinion gear set is the proven BMW differential upgrade.
We have installed these gears on our own builds and customer cars, and the feedback has been consistently excellent. Expect a high quality, precise fit with minimal drivetrain losses for maximum power to the ground. Ideal for spirited road driving, track days and drag racing.
Why choose MFactory Final Drive Gears for your BMW
- Diamond cut from forged high nickel chromium molybdenum steel for exceptional strength and durability
- Designed using leading Solidworks 3D CAD and Cosmos FEA for optimum gear geometry
- Advanced gear profiling minimises parasitic drivetrain losses and improves power transfer
- Race transmissions built with MFactory components transfer, on average, 1 to 2 percent more power to the ground over competitors
- Perfect fitment and finish for hassle-free installation and long-term reliability
Specifications
- Material: Imported Japanese SAE 8620 and 4320 steel
- Manufacturing: Forged, double tempered and super sub-zero treated for unsurpassed toughness
- Surface Hardness: Advanced shot peening technology
- Engineering: Industry-leading CAD and FEA designed gear geometry to put more power to the ground
- Final Drive Ratio: 3.08
Compatibility – BMW models with 3.08 Final Drive
- E82 E88 135i (MT and DCT) – 3.08 Final Drive
- E90 E91 E92 E93 335i and 335d (MT and DCT) – 3.08 Final Drive
- F20 F21 M135i 2012+ (MT) – 3.08 Final Drive
- F22 F23 M235i 2012+ (MT) – 3.08 Final Drive
- F30 F31 335i 2012+ (MT) – 3.08 Final Drive
- 435i 2012+ (MT) – 3.08 Final Drive
Search terms: BMW final drive upgrade, BMW differential gears, BMW ring and pinion, BMW 3.08 final drive, MFactory final drive gears, E90 E92 335i final drive, E82 135i diff gears, F20 F21 M135i ring and pinion, F22 F23 M235i differential upgrade, F30 F31 335i final drive ratio, 435i diff upgrade, BMW MT DCT final drive.
Part Number
MF-TRS-02E31
Manufactured by
MFactory
Warranty
Lifetime warranty
Professional fitting and setup
We recommend professional installation and correct setup of backlash and preload when fitting ring and pinion gears. For fitting, choose Nforcd in Warwickshire. To request a quote or booking, email Sales@nforcd.com.
Compatibility check before dispatch
To ensure correct fitment for your car, we run a compatibility check prior to dispatch. Please provide your UK registration or the last 7 digits of your VIN at checkout.
What you gain
- Stronger, faster acceleration in every gear
- More responsive driving feel on road and track
- High strength, low-loss gear design for durability and performance
- Trusted by enthusiasts seeking a BMW differential upgrade that simply works
If you are searching for BMW final drive gears, BMW diff gears, BMW ring and pinion, 3.08 final drive ratio, E90 E92 335i diff upgrade, E82 135i final drive upgrade, F20 F21 M135i ring and pinion, F22 F23 M235i differential gears, or F30 F31 335i and 435i performance differential, this MFactory set is the go-to choice.