11 31 090 Removing and installing/replacing chain tensioning piston (M52 / M52TU / M54 / M56)
WARNING: This page is about a different car, the 2005 BMW 530i, 2005 BMW 525i, 2004 BMW 530i, and 2004 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Spring pressure! Unfasten cylinder for chain tensioning piston.
Installation:
Replace sealing ring.
Tightening torque, see 11 31 8AZ in ENGINE - TIGHTENING TORQUES .
Arrangement of components:
- Cylinder for chain tensioning piston
- Sealing ring
- Spring
- Piston