OVERVIEW OF AUDIO COMPONENTS
Fig. 1: Overview Of Audio Components (1 Of 2)
Speaker (in dashboard)
Central Information Display (CID)
DVD changer
DVD player, rear console
Aerial diversity
Speake
IMPORTANT: Risk of damage!
There is a hard disk installed in the head unit.
Carry out mechanical work on the head unit and adjacent components with
care.
Avoid subjecting the head unit to vibration/
REPLACING ALL SPARK PLUGS (N54, N63, N74)
Necessary preliminary tasks
Switch off ignition.
Remove IGNITION COILS.
IMPORTANT: Wear safety goggles.
Oil and dirt particles may get into your eyes!
Clean spark plug slot with compressed air.
Unscrew spark plugs with special tool 12 1 220 and extensi
Observation of the Driving Condition
The Integrated Chassis Management (ICM) control unit calculates the current
driving situation from the signals
listed below. This essentially means the longitudinal and lateral dynamic
driving condition.
Wheel speed signals from all four wheels
Lateral accel