Completed on our brand new

where we ensured it would be the highest quality

-Perfectly optimized

Each kit includes a complete set of precision-crafted valve springs and all necessary installation components

S54 Cylinder Head Service by 5150 AutoSport BM-S62>-65571S Completed on our brand new5150 AutoSport Performance Cylinder Head Services for BMW S54 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 (Rebuild