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
SEE MORE:
REMOVING AND INSTALLING/REPLACING FLYWHEEL (N52K)
Special tools required:
11 4 180
11 9 260
11 9 265
IMPORTANT: Aluminium screws/bolts must be replaced each time they
are released.
The end faces of aluminium screws/bolts are painted blue for the purposes of
reliable identification.
Jointing
Principle
The car's interior can be cooled or heated before
driving off with the pre-ventilation. Depending on
set temperature and ambient temperature, the
car's interior is ventilated or possibly heated using
the residual engine heat.
General information
The system can be switched on and off direct