The Pro-Xtreme design is specifically tailored to handle up to 2000 horsepower

Upgrade your BMW E24’s rear differential with the OS Giken SuperLock LSD—engineered for performance

Inner wheel wells do not need to be modified with tire diameter up to 635mm (215/45R17

M6x40mm (x2)

Our commitment to minimizing harmonics and optimizing engine performance spans the entire BMW lineup

B46 CNC Cylinder Head Porting 20-0749-FL The Pro-Xtreme design is specifically5150 AutoSport 5 Axis CNC Cylinder Head Porting for BMW B46 Engines Please note that price is based on customer providing disassembled, clean core. If you need help sourcing a core, please contact our sales team. Also note that this service includes a 1 2 week turnaround time for service completion, beginning when the 5150 Team receives your head. Investing in cylinder head porting for your high performance BMW engine enhances airflow efficiency for