11 12 719 Resurfacing cylinder head sealing face (N14)

Necessary preliminary tasks:

Check evenness of cylinder head sealing surface with a standard straight-edge (1).

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

Illustration shows N52.

Fig 1: Checking Evenness Of Cylinder Head Lower Faces (Longitudinal)

Courtesy of BMW OF NORTH AMERICA, INC.

Check evenness of cylinder head sealing surface with a standard straight-edge (1).

NOTE: Max. deviation from level (transversal) 0.05 mm

Illustration shows N52.

Fig 2: Checking Evenness Of Cylinder Head Lower Faces (Transverse)

Courtesy of BMW OF NORTH AMERICA, INC.

Check cylinder head for WATER LEAKS .