11 12 112 Replacing both cylinder head gaskets (N74)

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Necessary preliminary tasks:

Remove left CYLINDER HEAD
Remove right CYLINDER HEAD

Installation:

The cylinder head gaskets for cylinders 1 - 6 and 7 - 12 are identical.

There is no marking (TOP).

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

Pay attention to fitting sleeves (1).

Fig 1: Identifying Sleeves

Courtesy of BMW OF NORTH AMERICA, INC.

Repair gasket (+REP) is 0.3 mm thicker.

Check cylinder head for surface evenness. See VALVE SEAT TECHNICAL DATA , HEAD/VALVES/GUIDES/BEARINGS TECHNICAL DATA , and RESURFACING CYLINDER HEAD SEALING FACE .

Fig 2: Identifying Gasket (+REP)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.