11 12 719 Resurfacing cylinder head lower face (N55 Hybrid)

WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

High-voltage hazard!

The following must be strictly observed prior to starting work :

Observe SAFETY INFORMATION for handling hybrid cars.

Necessary preliminary work:

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

Check evenness of cylinder head sealing faces with a standard straightedge (1).

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

Fig 1: Checking Evenness Of Cylinder Head Lower Faces (Longitudinal)

Courtesy of BMW OF NORTH AMERICA, INC.

Check evenness of cylinder head sealing faces with a standard straightedge (1).

NOTE: Max. deviation from flatness (transverse) 0.05 mm

Fig 2: Checking Evenness Of Cylinder Head Lower Faces (Transverse)

Courtesy of BMW OF NORTH AMERICA, INC.

Check cylinder head for WATERTIGHTNESS .

Assemble engine.