11 12 719 Resurfacing cylinder head sealing surface

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Reconditioning on cylinder head max. 0.3 mm

Necessary preliminary tasks:

Remove CYLINDER HEAD .
Remove EXHAUST CAMSHAFT .
Remove INLET CAMSHAFT .
Remove ROLLER CAM FOLLOWERS .
Remove all HVCA elements.
Remove all VALVES .

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

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

Fig 1: Checking Evenness Of Cylinder Head Sealing Faces Using Standard Straight-Edge

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: Checking Evenness Of Cylinder Head Sealing Faces Using Standard Straight-Edge

Courtesy of BMW OF NORTH AMERICA, INC.

Check cylinder head for WATER LEAKS .

Assemble engine.