1134552 Removing and installing or replacing all valves (N51)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 328xi, 2010 BMW 328i, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove CYLINDER HEAD .
Remove INTERMEDIATE LEVER .
Remove ECCENTRIC SHAFT .
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 ODDMENTS TRAY in a tidy and orderly fashion.

Fig 1: Exploded View Of Valve Assembly

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

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