B58 Main Bearing Set, High-Performance Z4 E89 1989-1995 E34 525i (M50)1989-1995 E34

1989-1995 E34 525i (M50)1989-1995 E34 535i

there is an integrated stainless steel baffle plate

and enhanced reliability for engines pushing their limits

2013 - 15     F30 / F31     335i xDrive

B58 Main Bearing Set, High-Performance Z4 E89 1989-1995 E34 525i (M50)1989-1995 E345150 AutoSport High Performance Calico Coated Main Bearings are designed specifically for BMW and Toyota B58 engines. These bearings are coated by Calico to significantly reduce friction, making them ideal for high stress, high performance builds. Their advanced coating helps maintain durability and performance under extreme conditions, such as forced induction and racing applications where OEM bearings often fall short. What sets these bearings apart