O-ring suitable for S50 and S54 oil pump control piston.
The O-ring for the replacement oil pump control piston in BMW S50 and S54 engines is the ideal replacement part for an engine overhaul or bearing service. As a wear part, the O-ring should be replaced with every overhaul.
Suitable replacement control pistons for the S50 and S54 engines are also available in our shop.
Note: Unless otherwise stated, this is a motorsports item without road approval. Installation must be carried out by a qualified specialist workshop.