11 34 552 Removing and installing or replacing all valves (N54)

WARNING: This page is about a different car, the 2010 BMW X6, 2009 BMW X6, and 2008 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 4 480

See ENGINE - SPECIAL TOOLS (N54, N63) .

Necessary preliminary tasks:

Remove cylinder head.
Remove inlet camshaft .
Remove exhaust camshaft .
Remove roller cam follower .
Remove valve springs .
Remove valve stem seals .

Arrangement:

Valve
Valve stem seal with spring plate, bottom
Valve spring
Top plate spring
Valve tapers

If the valves are to be reused, set then down in special tool 11 4 480 in a tidy and orderly fashion.

Fig 1: Identifying Valve Parts

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.