11 34 552 Removing and installing or replacing all valves (N52)
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2008 BMW Z4, 2007 BMW Z4, 2007 BMW 530xi, 2007 BMW 530i, and 2007 BMW 525xi. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
- 00 3 580
- 11 4 480
Necessary preliminary tasks:
- Remove Cylinder Head.
- Remove Intermediate Lever .
- Remove Eccentric Shaft.
- Remove Inlet Camshaft.
- Remove Exhaust Camshaft.
- Remove Roller Cam Follower.
- Remove Valve Springs.
- Remove Valve Stem Seals.
Arrangement:
- Valve
- Valve stem seal with spring plate, bottom
- Valve spring
- Top plate spring
- Valve tapers
If the valves are to be reused, set then down in special tool 11 4 480 in a tidy and orderly fashion.
Then remachine valve seat if necessary.
All valves removed.
Use pilot no. 5.
Remachine valve seat with special tool 00 3 580.
Valve seat correction, see TECHNICAL DATA .
Assemble engine.
Check function of DME; if necessary, readjust uniform mixture distribution.