BMW Motorsport 3.85 Ring and Pinion Gear Set – E46 M3 / E60 M5 / E63 M6 C4352-070 Extended Engine Life: Our expert

Extended Engine Life: Our expert balancing service alleviates stress on your engine's main bearings

- Large images on unit guide easy 4-step activation process

5150 Turbo Camshafts for BMW M54 engines are backed by over 15 years of proven results in both personal and customer vehicles

stiffness and better balance than OE-type stamped steel covers

the 148mm-length rods are ideal for high-horsepower and forced induction applications

BMW Motorsport 3.85 Ring and Pinion Gear Set – E46 M3 / E60 M5 / E63 M6 C4352-070 Extended Engine Life: Our expertLooking for a proven way to boost acceleration without adding stress to your BMWs engine or drivetrain? The BMW Motorsport 3. 85 Ring and Pinion Gear Set is one of the most effective performance upgrades available for the E46 M3, E60 M5, and E63 E64 M6. By switching to a shorter final drive ratio, like 3. 85: 1, you increase rear wheel torque by approximately 6%, delivering noticeably quicker acceleration and improved throttle response in every gear.