Time after time we see a countless amount of catastrophic failure due to failed N54 Piezo Injectors and N55/S55 Solenoid injectors
*Requires block to be professionally sleeved
Neglecting these injectors leads to nothing but a money pit
The so-called rolling of threads can increase the strength of the tooth flanks by around 30%
then the gasket should be the next size up
POLYURETHANE SUBFRAME BUSHINGS - BMW E9X / E8X G8xengine Time after time we seeRevshift polyurethane subframe bushings completely replace the oem rubber bushings on the BMW E82, E81, E87, E88, E90, E91, E92, and E93 including the M3, 1M, and XI models. These bushings securely mount the rear subframe reducing wheel hop and improving the vehicles handling capabilities. The two piece bushing design sandwiches the subframe locking it in place. It will not shift on the bushings while driving like the one piece designs allow. They are