these pistons are engineered to withstand extreme pressures and high RPMs

- 5150 High Performance Main Bearing Set

transforming the performance of your E46 M3 or Z4M

20-0461 Fuel Level Switch

the fuel injector bores are 14mm ID so factory injectors can be used

NMK Performance Tuning Package Breather these pistons are engineered toCustom Performance Tuning for BMW Competition & Off Road Vehicles Maximize your BMW's performance with an NMK Performance Custom Tuning Package, tailored specifically for competition and off road vehicles. As a part of this service, NMK works closely with drivers to tailor each tune according to their specific needs, wants, and goals, ensuring optimal performance and satisfaction. About NMK Performance Founded and run by dedicated automotive engineers