This is a replacement o-ring for your N54/N55/S55 BMW. If your BMW has a N54 or N55 engine, this will replace your existing/worn throttle body o-ring that sits inside the chargepipe.
An ideal replacement for your chargepipe installation if your is missing, damaged or badly worn.
- Compatible with all chargepipe on the N54, N55 & S55 engines.
