BMW 5 Series: Requirements - Pairing/unpairing the mobile 
phone - Telephone - Communication - BMW 5 Series Owners ManualsBMW 5 Series: Requirements

▷ The mobile phone is suitable.
▷ The mobile phone is ready for operation.
▷ Bluetooth is activated in the vehicle and on the mobile phone.
▷ Bluetooth presettings may need to be made on the mobile phone, e.g., for a connection without confirmation or visibility, refer to the mobile phone operating instructions.
▷ Deactivate Bluetooth audio if necessary.
▷ A number with at least four and a maximum of 16 digits was defined as the Bluetooth passkey. It is only required once for pairing.
▷ The ignition is switched on.

    Pairing/unpairing the mobile phone
    General information The following functions are available: ▷ Use of a mobile phone as a telephone. ▷ Use of a mobile phone as an additional telephone. ▷ Use of a mobile phone as ...

    Activating/deactivating Bluetooth
    Bluetooth is not permitted everywhere. Comply with all safety guidelines and regulations. 1. "Telephone" 2. "Options" Open. 3. "Bluetooth®" ...

    See also:

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    Cigar lighter and ash receiver — if equipped
    An optional ash receiver is available from your authorizeddealer and will fit in the center console frontcupholder. Ash Receiver CAUTION: For vehicles equipped with the heated and cooledcuphold ...