Secure the engine in installation position at cylinder 1

Position special tool 0 496 366 (11 8 570) (3) on the vibration absorber.
Position special tool 0 493 882 (11 9 190) (1) in special tool 0 496 366 (11 8 570) .
NOTE: Do not slide the special tool 0 493 882 (11 9 190) (1) too far in; otherwise, it will collide with other components when the crankshaft is turning.
Position reversible ratchet (1) .
Rotate engine on the central bolt until the special tool lines up with the engine block marks.

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Attach the special tool 0 496 366 (11 8 570) (3) to the vibration absorber with a screw from the belt pulley (2) and hand-tighten.
With the crankshaft in the installation position, use the special tool 0 493 882 (11 9 190) (1) to insert it onto the marks and fasten.
NOTE: Description is for right component only. The procedure on the left side is identical.

NOTE: To provide a better overview: Schematic diagram with partially hidden components.
Ensure that the polished surfaces of the camshafts (1) point upward.

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Ensure that the rounded surfaces (1) are pointing down to the cylinder head.
Check timing again and assess.

Check

The cams (1) should be in the position shown.

The increment wheels (2) must be flush with the exhaust camshaft bearing cap and the intake camshaft bearing cap.

The ground surfaces of the camshaft must face up.

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Result

» Camshaft position is correct.

Measure

Result

» Camshaft position is not correct.

Measure

Disassemble special tools 0 496 366 (11 8 570) and 0 493 882 (11 9 190) and remove.

Measure

Turn engine at the central bolt of the crankshaft by 360° until the installation position (MP) of the vibration absorber is positioned flush with the marks of the engine block.

Measure

Re-secure the engine in TDC setting with special tools 0 496 366 (11 8 570) and 0 493 882 (11 9 190) .