11 12 101 Replacing cylinder head gasket (N14)

Necessary preliminary tasks:

Remove remnants of oil and dirt from pocket holes (1).

IMPORTANT: Work on sealing face on engine block and on cylinder head with special tool 11 4 470 only.
Do not use any metal-cutting tools.

NOTE: Illustration shows N52.

Fig 1: Cylinder Head Gasket Pocket Holes

Courtesy of BMW OF NORTH AMERICA, INC.

Identification (1) of head gasket (N14).

IMPORTANT: Rubber coating on cylinder head gasket must not be damaged under any circumstances.

If the cylinder head is remachined, a thicker coating + 0.3 mm is also available for service personnel.

Fig 2: Cylinder Head Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

Check adapter sleeves (1) for damage and firm seating.

Lay cylinder head gasket on engine block.

Fig 3: Engine Block Adapter Sleeves

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Check cylinder head for Deviation From Flatness .

Check cylinder head for Water Leaks .

Assemble engine.