11 34 552 Removing and installing/replacing all valves (N63)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

Necessary preliminary work:

Remove LEFT CYLINDER HEAD .
Remove RIGHT CYLINDER HEAD .
Remove camshafts. See 11 31 038 REMOVING AND INSTALLING/RENEWING RIGHT EXHAUST CAMSHAFT (N63) , 11 31 034 REMOVING AND INSTALLING/REPLACING RIGHT INLET CAMSHAFT (N63) , 11 31 036 REMOVING AND INSTALLING/REPLACING LEFT EXHAUST CAMSHAFT (N63) and 11 31 032 REMOVING AND INSTALLING/REPLACING LEFT INLET CAMSHAFT (N63) .

Mount cylinder head (1) on special tool 11 9 000.

Fig 1: Installing Cylinder Head On Special Tool (11 9 000)

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Prepare special tool 11 9 008 on special tool 11 9 006 .

Fig 2: Identifying Special Tool (11 9 008 And 11 9 006)

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Position special tool 11 9 006 with silicone cushion on cylinder head.

Slide locks (1) in direction of arrow and pretension with eccentric shaft.

Fig 3: Positioning Special Tool (11 9 006)

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Press down valve spring with special tool 11 8 840 .

Fig 4: Pressing Valve Spring Using Special Tool (11 8 840)

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Remove valve cotters (1) with a magnet.

Place valve springs and valve keys on special tool 11 4 480 in an orderly manner.

Fig 5: Removing Valve Cotters

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IMPORTANT: Incorrect assembly possible.
Incorrect assembly will result in valve spring breakage.
Color marking (1) is normally on lower end of valve spring.
Only the diameter is decisive for the correct installation of the valve springs.
Install valve spring so that larger diameter points to spring plate at bottom.

Fig 6: Identifying Valve Springs Marking

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Arrangement:

Valve
Valve stem seal with spring cup, bottom
Valve spring
Top spring cup
Valve keys

Fig 7: Identifying Valve Components
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Release special tool 11 9 006 from cylinder head.

Remove all valves and place on special tool 11 4 480 in an orderly manner.

Fig 8: Identifying Special Tool (11 9 008 And 11 9 006)

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Assemble engine.