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
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Fuel tank leakage diagnosis module
The fuel system leak test is regularly conducted when the engine is switched
off. Here, the following processes
are executed during the DME run-down period:
Initial situation
During normal engine operation, the switchover valve in the diagnosis module
is in t
General information
When using run-flat tires or a flat tire kit, a wheel
does not always need to be changed immediately
when there is a tire pressure loss due to a
flat tire.
If needed, the tools for changing wheels are
available as accessories from a dealer's service
center or another qualified s