General Information
Working on ignition system
Removing and installing electronic control units
Welding work (overload protection of control units)
Disconnecting and connecting battery
Disconnec
IMPORTANT:
Disconnecting the vehicle battery will cancel the fault memories
of control
units. Consequently, before disconnecting the car's battery, always
interrogate the fault memories. Invest
FIRING ORDER
Fig. 3: Firing Order (V8)
REPLACING ALL SPARK PLUGS (N62, N62TU)
Special tools required:
12 1 171
12 1 172
Necessary preliminary tasks:
Switch off ignition
Remove all IGNITION CO
MANUAL EMERGENCY RELEASE OF TRANSMISSION LOCK
In the event of a power supply interruption, e.g. flat battery or electrical
fault, the transmission lock must be
manually released, otherwise the wheel will be locked and the vehicle cannot be
moved.
IMPORTANT: Secure vehicle against rolling, e.g. wit