Replaces the original BMW # 17 51 7 600 531
compromising engine performance
The B-Series engines are four cylinder
Forged from premium 4340 steel
Individual nitrous/methanol injector ports for precise control
Powerflex Differential Mount Polyurethane Bushing Kit, BMW E46 M3 6766 Replaces the original BMW #Over 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