11 34 552 Removing and installing/replacing all valves (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.

Special tools required:

11 4 481 .
11 4 482 .

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 INTERMEDIATE LEVER .
Remove ECCENTRIC SHAFT .
Remove INTAKE CAMSHAFT .
Remove EXHAUST CAMSHAFT .
Remove ROCKER ARM .
Remove VALVE SPRINGS .
Remove VALVE STEM SEALS .

Arrangement:

Intake valve 5 mm dia.
Valve stem seal with lower spring cup
Valve spring
Upper spring cup
Valve keys

If the valves are to be reused, they must be placed in neat order in special tool 11 4 481 .

Fig 1: Exploded View Of Intake Valve

G09923812

Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement:

Discharge valve 6 mm dia.
Valve stem seal with lower spring cup
Valve spring
Upper spring cup
Valve keys

If the valves are to be reused, they must be placed in neat order in special tool 11 4 482 .

Fig 2: Exploded View Of Intake Valve

G09923813

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME; if necessary, readjust uniform mixture distribution.