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
Principle
Driver profiles can be created to store personal
vehicle settings. If the vehicle is used by multiple
drivers, each driver can create his personal driver
profile. When a driver profile is selected, the vehicle
will automatically apply the stored settings in
the driver profile.
General info