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 171an
REMOVING AND INSTALLING/REPLACING RIGHT EXHAUST MANIFOLD (N62TU)
Necessary preliminary tasks:
Remove exhaust system.
Remove right control sensor.
Remove right monitor sensor.
Remove right engine support arm.
For purposes of clarity, illustration shows and description refers to the
removed en