11 34 552 Removing and installing or replacing all valves (M52 / S52 / M52TU / M54 / M56)
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2004 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.
(cylinder head removed)
Preliminary tasks are described in Disassembling and assembling cylinder head.
Replace valve stem seals.
Remove valves from cylinder head.
If necessary, check valve guide for wear.
If necessary, ream valve guide.
If necessary, remachine valve seat.
Arrangement:
- Valve
- Valve-stem seal
- Lower plate spring
- Valve spring
- Top plate spring
- Valve tapers