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
Front radar sensor
The radar sensor is located in the front bumper.
Radar sensors, side, front
The radar sensors are located in the bumper.
Radar sensors, side, rear
The radar sensors are located in the bumper.
System limits of the radar
sensors
The radar sensors may not be fully functional or
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