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 6 other vehicles, including the 2006 BMW X5, 2006 BMW X3, 2005 BMW X5, 2005 BMW X3, and 2004 BMW X5. 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. Refer to 11 12 503 DISASSEMBLING AND ASSEMBLING CYLINDER HEAD (M52 / S52 / M52TU / M54 / M56) .
Replace valve stem seals. Refer to 11 34 560 REPLACING ALL VALVE STEM SEALS (M52 / S52 / M52TU / M54 / M56) .
Remove valves from cylinder head.
If necessary, check valve guide for wear. Refer to 11 12 595 CHECKING A VALVE GUIDE FOR WEAR (M52 / S52 / M52TU / M54 / M56) .
If necessary, ream valve guide. Refer to 11 12 600 REAMING A VALVE GUIDE (M52 / S52 / M52TU / M54 / M56) .
If necessary, remachine valve seat. Refer to 11 12 527 REMACHINING A VALVE SEAT (M52 / S52 / M52TU / M54 / M56) .
Arrangement: