11 12 719 Milling Cylinder Head Sealing Face (N62/N62TU)

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(cylinder head dismantled)

Check evenness of cylinder head sealing face with a standard straight-edge (1).

NOTE:

Maximum plane deviation: longitudinal 0.10 mm.

Fig 1: Checking Evenness Of Cylinder Head Sealing Face

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Maximum plane deviation: transversal 0.05 mm.

MACHINING LIMIT

Fig 2: Checking Plane Deviation

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

A cylinder head seal 0.3 mm thicker than usual can be obtained for machined (milled) cylinder heads.

Fig 3: Identifying Cylinder Head Seal

Courtesy of BMW OF NORTH AMERICA, INC.