11 12 101 Replacing Cylinder Head Gasket (N12)

WARNING: This page is about a different car, the 2008 MINI Cooper and 2007 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 4 470

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 Holes

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 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: Identifying Adapter Sleeves

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Check cylinder head for deviation from flatness.
Check cylinder head for water leaks. Refer to 11 12 729 CHECKING CYLINDER HEAD FOR WATER LEAKS (N12) .

Assemble engine.