11 12 112 Replacing both cylinder head gaskets (N63 O1)

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Necessary preliminary work:

Remove left CYLINDER HEAD .
Remove right CYLINDER HEAD .

Installation note:

Check spacer bushes (1) for damage and replace if applicable.

The cylinder head gasket (2) for cylinders 1-4 and cylinders 5-8 are identical.

Cylinder head gasket (2) must depending on its styling be correctly positioned on the timing chain case.

Fig 1: Identifying Fitting Sleeves And Cylinder Head Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

Repair gasket (+REP) is 0.3 mm thicker.

Check cylinder head for SURFACE EVENNESS .

Fig 2: Identifying Cylinder Head Gasket (+REP)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.