11 12 101 Replacing cylinder head gasket (N12)

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

Necessary preliminary tasks:

Remove CYLINDER HEAD .

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: Identifying Cylinder Head Pocket Hole

Courtesy of BMW OF NORTH AMERICA, INC.

Note identification marking on head gasket.

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.

Gasket (1) is a sheet-metal gasket

Fig 2: Identifying Head Gasket Identification

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: Identifying 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.