Powerflex Differential Mount Polyurethane Bushing Kit, BMW E46 M3 6766 Forged from premium 4340 steel

Forged from premium 4340 steel

The B-Series engines are four cylinder

This correction can be measured throughout the RPM range and can often help an erratic surging idle

Alpina B3 Series

Powerflex Differential Mount Polyurethane Bushing Kit, BMW E46 M3 6766 Forged from premium 4340 steelOver time, OEM rubber bushings tend to wear from movement, heat, and exposure to road debris, causing them to become pliable and fail. This wear and tear will cause the differential to clunk, shake, or even compromise seals. Powerflex bushings not only boast a Lifetime Warranty, but they are also made from polyurethane, which has improved performance and durability qualities over OEM rubber. Over time, polyurethane is less susceptible to the wear and