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

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

(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 Cylinder Head Sealing Face

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Maximum plane deviation: transversal 0.05 mm.

Machining limit . See ENGINE - TECHNICAL DATA .

Fig 2: Checking Cylinder Head Sealing Face
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 Thickness

Courtesy of BMW OF NORTH AMERICA, INC.