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 - 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 - Install the valve spring (2) and spring cup (1).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).
- 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.
- Unlock special tool 0 494 370 (11 9 005)
in the arrow direction and remove.
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 .





