DTMF suffix dialing
DTMF suffix dialing can be used for gaining access to network services or for controlling devices, e.g., to make a remote inquiry of an answering machine. The DTMF code is needed for this purpose.
1. "Telephone".
2. Select the contact from a list or "Dial number".
3. 
"Keypad dialing".
4. Enter the DTMF code via iDrive.
See also:
Adjusting
The following settings are available:
"Rear displays"
"Language/Units": language can be set
globally for all screens.
"Tone"
...
Requirements
▷ BMW Assist is activated.
If BMW Assist is not activated, a mobile
phone that has been recommended by
BMW for TeleService and that is configured
for mobile data communication must be
c ...
Swapping the telephone and additional telephone
The function of the telephone and additional telephone
can be swapped automatically.
1. "Telephone".
2. "Bluetooth® (phone)".
3. "Swap phone/addit. phone" ...