11 12 719 Resurfacing Cylinder Head Sealing Face (N52K)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. 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: Checking Evenness Of 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: Checking Evenness Of 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.