preventing the risk of binding that can lead to significant engine damage

Plug and Play Harness: Simplify installation with genuine connectors that eliminate the need for splicing

the quick-thinking ZF 8HP mated with the B58 more than makes up for it

Calico-Coated Rod Bearings — Enhanced durability and reduced friction for superior performance

Keep your E46 M3 cool with the Mishimoto Performance Aluminum Fan Shroud Kit

BMW Motorsport 3.85 Ring and Pinion Gear Set – E46 M3 / E60 M5 / E63 M6 Eclipse preventing the risk of bindingLooking 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.