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50mm Exhaust Rally / Race
When boosting your E46 M3 or any BMW with an S54 engine
Upgrade your BMW S54 engine with Tilton Engineering’s 12lb steel flywheel—a purpose-built solution that balances performance and drivability
2022+ G26 > 430i Gran Coupe
M52TU CNC Cylinder Head Porting 72-856 50mm Exhaust Rally / Race5150 AutoSport 5 Axis CNC Cylinder Head Porting for BMW M52TU 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
