Cylinder head disassembled

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2014 BMW X6, 2013 BMW X6, 2012 BMW X6, 2011 BMW X6, and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

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

NOTE: Maximum plane deviation: longitudinal 0.10 mm.

Fig 1: Checking Evenness Of Cylinder Head Sealing Face With Standard Straight-Edge

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Maximum plane deviation: transversal 0.05 mm.

Machining limit

Fig 2: Checking Evenness Of Cylinder Head Sealing Face With Standard Straight-Edge

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: A cylinder head gasket (+REP) 0.3 mm thicker than usual can be obtained for machined (resurfaced) cylinder heads.

Fig 3: Identifying Cylinder Head Gasket (+REP)

Courtesy of BMW OF NORTH AMERICA, INC.