5) 2005-2004

The ESS E39 M5 G1 supercharger system delivers unparalleled acceleration and everyday driveability matched with the reliability customers have come to expect from ESS

• Ceramic dual ball bearing with steel cages

use Factory Locks

potentially causing the ECU to perceive it as running too cool

B58 Main Bearing Set, High-Performance SC7515 5) 2005-20045150 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