IMPORTANT: Changes in axle geometry caused by accidents must under no
circumstances
be rectified by camber adjustment!
NOTE: The upper control arm may only be replaced if the camber is outside
the
s
IMPORTANT: In vehicles with active steering, steering angle sensor
adjustment is integrated
in the service function INITIAL OPERATION/ADJUSTMENT FOR ACTIVE
STEERING and must not be carried out separa
Toe angle difference
a - Toe difference angle
D - Centre point of operating circle
The toe angle difference is the angle adjustment of the inner cornering wheel
relative to the outer cornering
wheel
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