IMPORTANT: Risk of damage!
Extreme cleanliness must be ensured in the connection area of the vent
lines
during removal and installation. Even the smallest of dirt particles can cause
leakage in the a
Special tools required:
13 5 020
37 1 151
37 1 152
WARNING: Danger of poisoning if oil is ingested/absorbed through the
skin!
Risk of injury if oil comes into contact with eyes and skin!
IMPORT
WARNING: Danger of injury!
Drain the air spring system before carrying out any work on the air supply
unit, air pipes and air springs! Danger of injury if this instruction is not
complied with!
Risk o
Load control of the N54 engine is effected by means of the throttle valve and
the waste gate valves.
The throttle valve is the primary component in this process. The wastegate
valves are actuated to bring about a
fine tuning of the boost pressure. At full load the throttle valve is completely
op
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