Procedures

11 12 719 Resurfacing Cylinder Head Lower Face (N55)







Necessary preliminary work:
- Remove cylinder head.
- Remove exhaust camshaft.
- Remove intermediate lever on intake side.







Check evenness of cylinder head lower faces with a standard straightedge (1).

NOTE: Max. deviation from flatness (longitudinal) 0.10 mm







Check evenness of cylinder head lower faces with a standard straightedge (1).

NOTE: Max. deviation from flatness (transverse) 0.05 mm







Check cylinder head for watertightness.
Assemble engine.