11 12 719 Resurfacing cylinder head sealing surface (M52/M52TU/M54/M56)

WARNING: This page is about a different car, the 2003 BMW 530i, 2002 BMW 530i, and 2001 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.

Cylinder head dismantled, refer to 11 12 503 DISASSEMBLING AND ASSEMBLING CYLINDER HEAD (M52/S52/M52TU/M54/M56) .

Check flatness of cylinder head sealing surface with a commercially available straightedge.

Deviation from flatness max. 0.05 mm.

Fig 1: Checking Flatness Of Cylinder Head Sealing Surface

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Machining limit, refer to 11 12 Cylinder Head with Cover M54 in ENGINE - TECHNICAL DATA .

Fig 2: Checking Thickness Of Cylinder Head

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: For compression comparison check, a repair cylinder head seal is provided.

Fig 3: Identifying Optional Cylinder Head Gasket

Courtesy of BMW OF NORTH AMERICA, INC.