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 p
SEE MORE:
REPLACING FRONT LEFT OR RIGHT SPRING STRUT SUPPORT BEARING
Special tools required:
31 3 341
31 3 351
31 3 353
WARNING: Observe the following instructions to avoid any risk of injury
by the coil
springs.
Prior to each use, check the special tools for defects,
modifications
and operational
Principle
The Steptronic transmission combines the functions
of an automatic transmission with the possibility
of manual shifting, if needed.
Safety information
Warning
An unsecured vehicle can begin to move and
possibly roll away. There is a risk of accident.
Before exiting, secure the vehicle aga