and onboard 3-axis accelerometer and barometric sensor

2021+ BMW M4 I6 3

SuperTech valve spring kits are the ideal solution for BMW enthusiasts who demand exceptional performance from their engines

The S55 powering the F8X generation of the M's packs quite a punch and while the BMW engineers laid a solid foundation for dissipating the heat from the intercooling system

S65 CNC Cylinder Head Service by 5150 AutoSport Service:Stage 2 and onboard 3-axis accelerometer and5150 AutoSport Performance Cylinder Head Services for BMW S65 V8 Engines Please note that price is based on customer providing core. If you need help sourcing a core, please contact our sales team. Investing in a performance cylinder head service is crucial for optimizing engine potential in performance builds. We offer three levels of service to meet your budget and build goals, from OEM refresh to full race level machining: Stage 1 OEM Refresh