11 34 552 Removing and installing/replacing all valves (N52K)

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Special tools required:

11 4 480

Necessary preliminary tasks:

Remove Cylinder Head
Remove Intermediate Lever
Remove Eccentric Shaft
Remove intake camshaft
Remove 11 31 028 Removing and installing/replacing exhaust camshaft (N52K)
Remove Cam Followers
Remove Valve Springs
Remove Valve Stem Seals

Arrangement:

Valve
Valve stem seal with lower spring plate
Valve spring
Upper spring plate
Valve tapers

If the valves are to be reused, they must be placed in neat order in special tool 11 4 480.

Fig 1: Valve Spring, Upper Spring Plate, Valve Tapers And Valve

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

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