and EWS all remain fully functional

torque the bolts to 40 ft-lbs using ARP Ultra-Torque Fastener Assembly Lubricant

Includes Spindles

Retaining the factory mounting location and dimensions allows for the reuse of factory ducting and shrouds without any modifications

B48 CNC Cylinder Head Porting 11127831862 and EWS all remain fully5150 AutoSport 5 Axis CNC Cylinder Head Porting for BMW B48 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