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

WARNING: This page is about a different variant/trim than selected.

(Cylinder head dismantled.)

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

Deviation from flatness max. 0.05 mm.

Fig 1: Using Straightedge To Check Cylinder Head Flatness

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Machining limit, refer to ENGINE - TECHNICAL DATA .

Fig 2: Identifying Machining Limit

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 3: Locating Repair Cylinder Head Seal

Courtesy of BMW OF NORTH AMERICA, INC.