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
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REMOVING AND INSTALLING OR REPLACING BATTERY POSITIVE LEAD
(BETWEEN STARTER, ALTERNATOR AND BATTERY POSITIVE TERMINAL)
Necessary preliminary tasks:
Read out fault memory of DME control unit; if necessary, work through
test schedules.
Switch off ignition.
Disconnect battery negative lead.
Rem
Principle
At blind driveway exits or when driving out of perpendicular
parking spaces, road users approaching
from the side are detected sooner by the
cross traffic warning than is possible from the
driver's seat.
General information
Two radar sensors in the rear bumper monitor
the area behind the