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11 12 101 Replacing cylinder head gasket

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Special tools required: 

Necessary preliminary tasks: 

Insert special tool 11 4 430  into bores.

Remove head gasket.

IMPORTANT: Check identification (1) on cylinder head gasket (N54).
Fig 1: Identifying Special Tool (11 4 430) And Identification Marks On Cylinder Head Gasket (N54)
G05501599Courtesy of BMW OF NORTH AMERICA, INC.

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.
Fig 2: Identifying Pocket Holes
G05501600Courtesy of BMW OF NORTH AMERICA, INC.

Identification (1) of head gasket (N54).

Gasket (3) is a sheet-metal gasket with rubber coating.

Fig 3: Identifying Identification Mark Of Head Gasket (N54) And Gasket
G05501601Courtesy of BMW OF NORTH AMERICA, INC.

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

Place head gasket (2) in direction of arrow on engine block.

Fig 4: Checking Adapter Sleeves For Damage And Firm Seating
G05501602Courtesy of BMW OF NORTH AMERICA, INC.
NOTE:

Check cylinder head for DEVIATION FROM FLATNESS .

Check cylinder head for WATER LEAKS .

Assemble engine.