REMOVING AND INSTALLING/SEALING GUIDE TUBE FOR OIL DIPSTICK (N62)
Necessary preliminary tasks:
Remove intake air manifold.
Drain engine oil.
NOTE: For purposes of clarity, this work step is shown on the engine
after it has been
removed.
Unlock and detach vacuum line (1).
Release screws and re
REPLACING ALL SPARK PLUGS (N42, N40, N46, N45, N52, N52K, N51)
Special tools required:
12 1 171
12 1 200.
Necessary preliminary tasks:
Switch off ignition
Remove ignition coils.
Unscrew spark plugs with special tool 12 1 171.
Installation:
Tighten down spark plugs with special tool 12 1 171a