Necessary preliminary tasks

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Remove CYLINDER HEAD
Remove INTERMEDIATE LEVER
Remove ECCENTRIC SHAFT
Remove INLET CAMSHAFT
Remove EXHAUST CAMSHAFT
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: Identifying Upper/Lower Spring Plate, Valve Spring And Stem Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

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