11 12 719 Grinding cylinder head sealing surface (N62)

WARNING: This page is about a different variant/trim than selected.

(Cylinder Head Dismantled)

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

NOTE: Maximum plane deviation: longitudinal 0.10 mm.

Fig 1: Checking Evenness Of Cylinder Head Sealing Surface With Standard Straight-Edge (Longitudinal)

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Maximum plane deviation: transversal 0.05 mm.

Machining limit.

Fig 2: Checking Evenness Of Cylinder Head Sealing Surface With Standard Straight-Edge (Transversal)

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.