11 12 719 Grinding cylinder head lower face (B48B)
WARNING: This page is about a different car, the 2018 BMW 330i and 2017 BMW 330i. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Remove CYLINDER HEAD .
- Check CYLINDER HEAD FOR WATERTIGHTNESS
Check evenness of cylinder head lower face with a standard straightedge (1).
NOTE:
Max. deviation from flatness (longitudinal) 0.10 mm
Check evenness of cylinder head lower face with a standard straightedge (1).
NOTE:
Max. deviation from flatness (transverse) 0.05 mm
Required follow-up work:
- Installing the CYLINDER HEAD