In the vicinity of the steering
wheel
Light switch element
Turn signal indicator, high beams
Instrument cluster
Wipers
Indicator/warning lights
The indicator/warning lights can light up in a variety
of combinations and colors.
Several of the lights are checked for proper functioning
and ligh
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