Install all valve springs

Note the installation position of the valve spring.
NOTE: Install the valve spring so that the larger diameter (Y) points to the bottom spring cup.
- Make sure that the intake valves are not switched with the exhaust valves.
NOTE: Valve springs (1) are marked in color (2). Color for the intake valves: Green

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Note the installation position of the valve spring.
NOTE: Install the valve spring so that the larger diameter (Y) points to the bottom spring cup.
- Make sure that the intake valves are not switched with the exhaust valves.
NOTE: Valve springs (1) are marked in color (2). Color for the exhaust valves: green/yellow

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Install the valve spring (2) and spring cup (1).

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CAUTION:
Component with preload.
Injury hazard!
- Reduce preload as far as possible before disassembly. Relieve component.
Align special tool in direction of valve axis.
Select the corresponding groove using special tool 0 495 028 (11 9 017).
Press down the valve spring on the upper spring cup with the special tools 0 494 374 (11 9 009) and 0 495 028 (11 9 017).
Hold the valve spring in the pressed down position using special tool 0 494 375 (11 9 011).

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Keep the valve spring pressed down with the special tool 0495 028 (11 9017).
Install the valve shims (1) of the valve (2) with a magnet.
Relieve load on valve spring.

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Unlock special tool 0 494 370 (11 9 005) in the arrow direction and remove.

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Follow-up Work

Refer to INSTALL ALL ROLLER CAM FOLLOWERS .
Refer to INSTALL EXHAUST CAMSHAFT .
Refer to INSTALL ECCENTRIC SHAFT .
Refer to INSTALL THE SERVOMOTOR FOR THE ECCENTRIC SHAFT (CYLINDER HEAD REMOVED) .
Refer to INSTALL INTAKE CAMSHAFT .
Refer to CHECKING INSTALLATION POSITION OF ROLLER CAM FOLLOWERS
Refer to CHECKING THE INTERMEDIATE LEVER CLASSIFICATION .
Refer to INSTALLING ALL INTERMEDIATE LEVERS .
Refer to INSTALLING ALL GATES .
Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT (CYLINDER HEAD REMOVED)
Refer to INSTALLING TORSION SPRINGS .
Refer to DISASSEMBLING THE CYLINDER HEAD FROM THE SPECIAL TOOL .