See also:

BMW Assist or ConnectedDrive
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Adjusting the volume
Turn the knob until the desired volume is selected. The setting is stored for the remote control currently in use. ...

xDrive*
xDrive is the all-wheel-drive system of your vehicle. Concerted action by the xDrive and DSC further optimize traction and driving dynamics. The xDrive all-wheel-drive system variably distribute ...