Improves ring seal stability and piston motion consistency

11337831928

Garrett G42-1200 Turbocharger

E65 / E66 730i

1992 - 1999     E36 M3

N55 Combustion Chamber Upgrade Service E39 M5 Improves ring seal stability and5150 AutoSport Combustion Chamber Upgrade Service for BMW N55 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