Wavetrac Differential, BMW E46/E87/E90 (188K) R=<3.07

Fitment – BMW 188K Axle (Final Drive Ratio < 3.07)

• BMW E46 325i, 328i, 330i M/T (1998–2005)

Product Overview
Wavetrac® differentials are state-of-the-art helical gear units designed, developed, and manufactured in the USA by Autotech Driveline. They are the only torque biasing differentials on the market featuring patent-pending technology that actively mitigates wheelspin during unloaded wheel conditions.

When axle load drops to zero, the Wavetrac® cam mechanism generates internal load, maintaining drive to the gripping wheel—unlike conventional torque biasing diffs that behave like open differentials in such scenarios.

Each unit is built with ultra-strong 9310 alloy steel gears housed in case-hardened steel bodies and secured with ARP® fasteners. All Wavetrac® differentials include a transferable Limited Lifetime Warranty.