BMW X5: xDrive
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 front and rear axles as demanded by the driving situation and road condition.
The Driving Dynamics Control is used to change the all-wheel distribution from traction oriented to sport oriented.
With the xOffroad package, the all-wheel-drive system is additionally adjusted for the respective xOffroad driving mode.
Because of the needs-based use of the all-wheel- drive system, Efficient4x4 yields a reduction in consumption.
Display on the Control Display
Display xView display
1. "CAR"
2. "Driving information"
3. "xVIEW"
or
"xOFFROAD"
The following information is displayed:
- With a navigation system: compass display for the driving direction.
- With navigation system: elevation for the current position.
- With navigation system: destination flag in compass direction to the destination.
- Pitch attitude with degree indication and percentage.
- Transverse gradient with degree indication.
- Graphic display for the steering angle.
- Level adjustment of the two-axle ride level control.
With the xOffroad package, the following additional information can be displayed:
- With Surround View: depending on the speed, terrain-specific camera perspectives.
- xOffroad driving mode currently active.
- Distribution of drive torque to the wheels.
Display in the Head-up Display
Some of the information can also be displayed in the Head-up Display.
M sport differential
The active M differential provides for continuously variable locking of the rear axle differential depending on the driving situation. This prevents spinning of a single rear wheel and thereby provides optimal traction in any driving situation.
The driver is responsible adapting his or her driving style to the situation.
Automatic Differential Brake
Principle
Automatic Differential Brake controls the driving power by automatic brake intervention on individual wheels.
General information
The function works in the same way as a differential lock and improves traction on a loose surface, for example. The system detects when a wheel begins to spin and automatically brakes this wheel.
The driving force is diverted to the wheel with better traction.
As a result, the drive torque is transferred more efficiently to the wheels during accelerations.
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HDC Hill Descent Control
Principle
HDC Hill Descent Control is a downhill control
feature that controls the vehicle speed on steep
downhill grades, for instance when driving on unpaved
roads.
General information
When the syst
Manual Speed Limiter
Principle
The system can be used to set a speed limit, for
instance to prevent the vehicle from exceeding
speed limits.
General information
The system can limit the speed, starting at a
value of 20 mp
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Fog Lights, Auxiliary
REMOVING AND INSTALLING/REPLACING LEFT FRONT FOG LAMP
Necessary preliminary tasks:
Remove left grille in bumper trim.
Grasp grille through opening.
Disconnect plug connection (1).
Release screws (2).
Slide fog light (3) slightly towards center of vehicle and remove towards rear.
Fig. 20: Iden
Checking Front And Rear Wheel For Face And Radial Runout
Special tools required:
36 1 030
Necessary preliminary tasks:
Check wheel bearings
Lift vehicle.
Check wheel with special tool 36 1 030 (measuring fixture) for lateral runout.
If applicable, remove balance weights.
Check lateral runout of rim with special tool 36 1 030 (measuring fixture).
