MFactory 2.81 Final Drive | BMW 135i/335i/335d/M135i/M235i/M335i/M435i | MF-TRS-02E28

For use on Manual Transmission Vehicles only 

Achieve the ultimate in acceleration with the MFactory Final Drive Gears. By changing your final gear ratios, you can experience a dramatic increase in acceleration, giving you on average, a 10-15% increase in torque throughout the entire rev-range over the OEM Final Drive.

Diamond Cut to exacting tolerances from Forged High-Nickel-Chromium-Molybdenum Steel
Perfect fitment & finish ensures hassle-free installation & maintenance, each and every time

Designed using leading-edge Solidworks 3D CAD & Cosmos FEA software
Advanced Gear Geometry minimizes parasitic drivetrain losses. Race transmissions built with MFactory components transfer, on average, 1-2% more power to the ground over our competitors!

• Made from imported Japanese SAE 8620 and 4320 Steel

• Forged, Double Tempered and Super Sub-Zero treated for unsurpassed toughness

• Advanced Shot Peening technology increases surface hardness

• Advanced gear geometry designed using industry-leading software puts more power to the ground

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