B48 Cylinder Head Service by 5150 AutoSport Service:Stage 2 The pressure is controlled by

The pressure is controlled by the engine management system based on various sensor inputs

Features include optimized internal geometry and increased structural integrity

resulting in valve float and reduced power output

NOT compatible with factory OEM Pistons

B48 Cylinder Head Service by 5150 AutoSport Service:Stage 2 The pressure is controlled by5150 AutoSport Performance Cylinder Head Services for BMW B48 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