Wavetrac ATB Helical Limited Slip Differential - BMW E9X 3 Series DIESEL (215K) BOLTED OEM RING GEARS r=2.35-2.81Simply 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,

AIRTEC's solution to creating a direct replacement undertray in aluminium began with a full 3D scan of the vehicle’s underside to ensure a perfect fitment that reuses all original mounting points

also free of sulphides or lead and a low dust material

• high-quality stainless steel 1

with a 15-degree range highlighting its battle against the high and sustained levels of boost pressure

bedding happens naturally in the first 100-200 miles of urban use but for those drivers wishing to arrive at the track with new pads and enjoy their day

outstanding friction characteristics

BMW 335(x)i E90/E91/E92/E93*

The cooling ineffectiveness of the DSG Cooler can be explained after examining the stock cooling system design

it's your ideal travel companion

tested for turbochargers and catalytic converters

Improves car’s cooling capacity and ability

88 g/cm³ Viscosity at 40 °C 130 mm²/s