BMW 3 Owners & Service Manuals

BMW 3: xDrive

Concept

xDrive is the all-wheel-drive system of the vehicle.

The interaction of xDrive and other suspension control systems, such as DSC Dynamic Stability Control, further optimizes traction and driving dynamics. xDrive variably distributes the driving forces to the front and rear axles as demanded by the driving situation and road surface.

The Driving Dynamics Control is used to change the all-wheel distribution from traction oriented to sport oriented.

Because of the needs-based use of the allwheel- drive system, Efficient4x4 yields a reduction in consumption.

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.

Variable sport steering

The variable sport steering facilitates a direct and agile driving style with little steering effort. The variable sports steering works independently of the current speed, varying the steering ratio in line with the steering angle.

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    Concept 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 mph/

     Cruise control

    Concept Using this system, a desired speed can be adjusted using the buttons on the steering wheel. The system maintains the desired speed. The system accelerates and brakes automatically as needed.

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     Resetting BMW Digital Key

    To reset BMW Digital Key, an authorized vehicle key must be located in the vehicle. After the reset, the vehicle can no longer be unlocked, locked or started with a digital key. The vehicle owner must present proof of authorization for his vehicle again at the service center to be able to use BMW

     Coasting

    Concept Under certain conditions the engine is automatically decoupled from the transmission in the D selector lever position. The vehicle continues traveling with the engine idling to reduce consumption. Selector lever position D remains engaged. This driving condition is referred to as coasting.

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