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
SEE MORE:
Manufactured by AMP: The following contact types without strand sealing can
be fitted in the plug housing
MQS (Micro Quadlock System)
MPQ, width 2.8 mm (Micro Power Quadlock)
MPQ, width 5.2 mm (Micro Power Quadlock)
Socket housing:
Raise lock (1) on housing (2).
Push contact carrier (3) from
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
specified tolerance after toe adjustment.
Adjust toe-in.
Check camber values; if necessary, replace u