Environmental conditions

  • Say the commands, numbers, and letters smoothly and with normal volume, emphasis, and speed.
  • Always say commands in the language of the system. The language for the mobile phone voice operation is preset and cannot be changed in the Control Display.
  • Keep the doors, windows, and glass sunroof* closed to prevent noise interference.
  • Avoid making other noise in the vehicle while speaking.
    See also:

    Notes on Emergency Requests
    Do not use the voice activation system to initiate an Emergency Request. In stressful situations, the voice and vocal pitch can change. This can unnecessarily delay the establishment of a teleph ...

    Radio Data System RDS
    In the FM waveband, additional information is transmitted via RDS. If the reception conditions are good, the station names are shown on the Control Display. Where reception is poor or in the event ...

    Tire inflation pressure values over 100 mph/160 km/h
    528i Without high-speed tuning feature 550i Without high-speed tuning feature With high-speed tuning feature 528i xDrive Without high-speed tuning feature With high-speed tuning ...