11 12 719 Milling cylinder head sealing surface (N54, N54T)
WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Remachining on cylinder head max. 0.3 mm
Necessary preliminary tasks:
- Remove CYLINDER HEAD .
- Remove EXHAUST CAMSHAFT .
- Remove INTAKE CAMSHAFT .
- Remove ROLLER CAM FOLLOWERS .
- Remove all VALVES .
Check evenness of cylinder head sealing faces with a standard straightedge (1).
NOTE:
Max. deviation from flatness (longitudinal) 0.10 mm.
Check evenness of cylinder head sealing faces with a standard straightedge (1).
NOTE:
Max. deviation from flatness (transverse) 0.05 mm
Check cylinder head for WATER LEAKS .
Assemble engine.