11 12 101 Replacing cylinder head gasket (N20, N26)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. 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 .
Check cylinder head for DEVIATION FROM FLATNESS .
Check cylinder head for WATERTIGHTNESS .

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

IMPORTANT: Work on sealing surface on engine block and on cylinder head with special tool 11 4 470 only.
Do not use any metal-cutting tools.
Graphic N55.

Fig 1: Identifying Remnants Of Oil And Dirt From Blind Holes

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Identifying Adapter Sleeves

Courtesy of BMW OF NORTH AMERICA, INC.

The cylinder head gasket (1) can only be checked using the part number.

Installation note:

If an oversized gasket is needed, the right part number must be determined as specified by Parts Product Management.

Fig 3: Identifying Cylinder Head Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.