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
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Depending on the situation, the vehicle is in one
of the three states:
Idle state.
Standby state.
Drive-ready state.
Idle state
Principle
When the vehicle is in idle state, it is switched
off.
General information
The vehicle is in idle state prior to opening from
the outside and after exiting a
REMOVING AND INSTALLING/REPLACING OIL PRESSURE SWITCH (N62, N62TU)
Necessary preliminary tasks:
Switch off ignition
E65/E66 only: Remove intake filter housing
E53 only: Remove intake hood with air intake hose
WARNING: Scalding hazard!
Only perform this task on an engine that has cooled down.
In