Necessary preliminary tasks

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Remove CYLINDER HEAD
Remove EXHAUST CAMSHAFT .
Remove INTERMEDIATE LEVER on inlet side

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

NOTE: Max. deviation from level (longitudinal) 0.10 mm

Fig 1: Checking Cylinder Head Sealing Faces Evenness Using Standard Straight-Edge

Courtesy of BMW OF NORTH AMERICA, INC.

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

NOTE: Max. deviation from level (transversal) 0.05 mm

Fig 2: Checking Cylinder Head Sealing Faces Evenness Using Standard Straight-Edge

Courtesy of BMW OF NORTH AMERICA, INC.

Check cylinder head for WATER LEAKS .

Assemble engine.