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Engine - Repair (N63): Overhaul BMW X6 E71

Mechanical 2 illustrations

Cylinder head disassembled

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

Note. Maximum plane deviation: longitudinal 0.10 mm.

Scheme 76

Scheme 76: Cylinder head disassembled

Note. Maximum plane deviation: transversal 0.05 mm.

  1. Machining limit

Scheme 77

Scheme 77

Note. A cylinder head gasket (+REP) 0.3 mm thicker than usual can be obtained for machined (resurfaced) cylinder heads.