are engineered for extreme horsepower and high-RPM BMW S54 applications

2009-2016     E89     Z4 sDrive35i

5mm–1mm larger than the gasket bore

such as crank pulley replacement

Pro-Xtreme rods are built to withstand the most demanding conditions in motorsports

S50B30 S50B32 CNC Cylinder Head Porting Engine:S50B32 are engineered for extreme horsepower5150 AutoSport 5 Axis CNC Cylinder Head Porting for BMW S50B30 S50B32 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