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:
NOTE: Following repairs, the corrosion protection work already begins
with the correct
removal of the PVC undercoating, antinoise compound and seam seals.
1.0 Removing sealing materials:
IMPORTANT:
Do not burn off PVC material with a gas burner or similar or heat
to
temperatures above 180ºC.
WARNING: Xenon headlights: Danger to life due to high voltage!
Work on the entire xenon lighting system (ignition unit, control unit and
lamp) may only be carried out by specialist personnel.
WARNING: Halogen lamps are under pressure:
To avoid injury, wear protective goggles and gloves.
IMPORTANT: