Observe safety instructions for handling vehicle battery.
Before disconnecting battery:
Turn off the ignition and other electrical loads/consumers to prevent
sparking when reconnecting.
NOTE: If the
Do not start the engine with help of starting sprays.
Preparation:
Conform with the following when starting engine with starting cable.
Ensure that jump lead wires are to appropriate cross-section s
IMPORTANT: Only repair those cables which show visible signs of damage.
In the event of
visible damage, make sure there is only one cable repair in effect after the
repair work. If no visible damage
REPLACING CONTROL UNIT (VALVETRONIC)
Switch off ignition.
Follow instructions for disconnecting and connecting battery.
Disconnect battery.
CAUTION: Follow instructions for removing and installing electronic
control units.
Observe following instructions before replacing control unit:
PROGRAM CONT
It is the outward-opening piezo-injector that renders possible spray-directed
direct injection and thus the overall
innovations of the N54 engine. Due to the fact that only this component ensures
that the injected fuel spray cone
remains stable, even under the prevailing influences of pressure and