Camkshaft Sprockets Special Tools Required

Secure special tool 11 4 290 with old cylinder head cover bolts (1).
Screw special tool 11 9 340 into cylinder head.
Pretension timing chain with special tool 00 9 250 to 0.6 Nm.
Tighten both central bolts of camshaft adjustment units with special tool 00 9 120.

Adjusting camshaft timing
Adjustments






Secure special tool 11 4 283 on cylinder head with screws (1).

Note:
Fit special tool 11 4 282 underneath on inlet side.

Mount special tool 11 4 281 on inlet and exhaust camshafts.

Checking camshaft timing
Testing and Inspection