Removing and installing/replacing all valves (S63T2) (X5 M)

Special tools required: 

• 11 4 480
• 11 8 840
• 11 9 006
• 11 9 008

Necessary preliminary tasks: 

• Remove LEFT CYLINDER HEAD .
• Remove RIGHT CYLINDER HEAD .
• Remove CAMSHAFTS .

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

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

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

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

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Press down valve spring with 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.

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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 cup at bottom.

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Arrangement: 

1. Valve
2. Valve stem seal with spring cup, bottom
3. Valve spring
4. Top spring cup
5. Valve keys

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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.

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Assemble engine.