Wavetrac Differential BMW E30/E36 325I, M3 (188)
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Fitment – BMW 188 Axle Applications
- E30/E36 325i & M3 (USA)
- E28/E34 533i & 535i
- E24 633i–635CSi
- E36/E37 Z3 6-cylinder M Coupe/Roadster
- BMW 735i
Product Overview
Wavetrac® differentials are state-of-the-art helical gear units designed, developed, and manufactured in the USA by Autotech Driveline. The BMW 325i and M3 Wavetrac® Differential is the only torque biasing differential on the market featuring patented 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.