11 34 552 Removing and installing/replacing all valves (N20, N26)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

Necessary preliminary tasks:

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: Upper/Lower Spring Plate, Valve Spring And Valve Stem Seal

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: Upper/Lower Spring Plate, Valve Spring And Valve Stem Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

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