This provides higher roll stiffness

providing an efficient and cost-effective way to add flex fuel capability to your S58-powered vehicle without permanent modifications

the ReFlex+ can:

Each manifold includes an integrated billet aluminum fuel rail

B46 Cylinder Head Service by 5150 AutoSport M62 Head Gasket This provides higher roll stiffness5150 AutoSport Performance Cylinder Head Services for BMW B46 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