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:
SAFETY PRECAUTIONS AND GENERAL INFORMATION
Safety instructions --> Safety regulations for handling airbag modules,
airbag components and pyrotechnical
seat belt tensioners.
--> Deactivation/activation pyrotechnical components.
Handling electrical and electronic equipment --> Unlocking/lock
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