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
Principle
xDrive is the all-wheel-drive system of the vehicle.
Concerted action by the xDrive and and
other suspension control systems, such as Dynamic Stability Control (DSC),
further optimizes
traction and driving dynamics.
General information
xDrive variably distributes the driving power to
the