11 12 719 Resurfacing cylinder head sealing face (N52K)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 BMW X5, 2010 BMW X3, 2009 BMW X5, 2009 BMW X3, and 2008 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove cylinder head, see 11 12 100 Removing and installing cylinder head (N52K) .
Remove exhaust camshaft, see 11 31 028 Removing and installing/replacing exhaust camshaft (N52K) .
Remove intermediate lever on inlet side, see 11 37 010 Removing and installing/replacing intermediate levers (N52K) .

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

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

Fig 1: Standard Straight-Edge On Cylinder Head Sealing Faces

Courtesy of BMW OF NORTH AMERICA, INC.

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

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

Fig 2: Standard Straight-Edge On Cylinder Head Sealing Faces

Courtesy of BMW OF NORTH AMERICA, INC.

Check cylinder head for water leaks, see 11 12 729 Checking cylinder head for water leaks (N52K) .

Assemble engine.