Recommendation: For drivers seeking maximum performance

these downpipes dramatically reduce backpressure and allow your turbos to spool faster for sharper throttle response and immediate gains in horsepower and torque

Assembly Paste

Compatible with 12V systems

the vacuum/boost reference line must be installed

M20 Combustion Chamber Upgrade Service 64984S Recommendation: For drivers seeking maximum5150 AutoSport Combustion Chamber Upgrade Service for BMW M20 Engines Please note that price is based on customer providing core. If you need help sourcing a core, please contact our sales team. Our CNC Cylinder Head Combustion Chamber Service is a precision machining process where the combustion chambers of an engine's cylinder head are reshaped and refined using Computer Numerical Control (CNC) technology, optimizing engine performance for street or