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 171an
Principle
With the tire repair set, minor tire damage can be
sealed temporarily to enable continued driving.
General information
To enable continued driving, liquid sealant is
pumped into the tire, which hardens and
seals the damage from the inside.
Follow the instructions on using the tire rep