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Optimised core depth and radiator height and width
Ideal for both road and track use
Replaces OEM part number:- 50821-S6M-013
we are proud to offer Engine Health Checks that help our customers ensure that their performance vehicles are operating at their best
Wavetrac ATB Helical Limited Slip Differential - BMW E30-E36: 325i M3; E24: 633i 635i; E28: 533i 535i (188) milltek-model-Impreza Optimised core depth and radiatorSimply put Wavetrac is the only gear diff on the market that does not lose all drive when one axle is unloaded. Axles become unloaded in aggressive driving, track cornering, extremely slick surfaces, etc. It happens more than most people realise. We wont go into torque bias ratios or the concept of how torque biasing diffs work at this point. Lets get to how the Wavetrac affects performance: For example, you have a conventional gear diff (OEM, Quaife,