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
The speed warning can be used to set a speed
limit. A warning will be issued when this speed
limit is exceeded.
General information
The warning is repeated if the vehicle speed exceeds
the set speed limit again, after it has dropped
below it by 3 mph/5 km/h.
Adjusting
1. "CAR".
2. "Settin