11 34 715 Replacing All Valve Springs (N54): Notes

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

For the following special tools, refer to ENGINE- SPECIAL TOOLS .

11 0 009
11 0 346
11 4 480
11 9 000
11 9 017

IMPORTANT: Different valve stem diameters.
Mixing up the valve springs will result in damage to the engine .

Necessary preliminary tasks:

Remove cylinder head cover . See 11 12 000 REMOVING AND INSTALLING/SEALING CYLINDER HEAD COVER (N54) .
Remove cylinder head .
Remove exhaust camshaft . See 11 31 028 REMOVING AND INSTALLING OR REPLACING EXHAUST CAMSHAFT (N54) .
Remove inlet camshaft . See 11 31 025 REMOVING AND INSTALLING OR REPLACING INLET CAMSHAFT (N54) .
Remove roller cam followers . See 11 33 050 REMOVING AND INSTALLING/REPLACING ALL CAM FOLLOWERS (N54) .