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
SEE MORE:
Special tools required:
64 1 300
WARNING: When handling cleaning agent, observe following protection
measures:
Wear protective rubber gloves and protective goggles.
If cleaning agent comes into contact with eyes or skin, wash immediately
with lots of water.
IMPORTANT: To avoid dirtying vehicle
FIRING ORDER
Fig. 3: Firing Order (V8)
REPLACING ALL SPARK PLUGS (N62, N62TU)
Special tools required:
12 1 171
12 1 172
Necessary preliminary tasks:
Switch off ignition
Remove all IGNITION COILS.
Unscrew spark plugs with special tool 12 1 171.
Installation:
Tighten down spark plugs with sp