General settings
CONTROLS
In the vehicle, delete Bluetooth connections
with other devices.
▷ A mobile phone can only be connected as
audio source or as telephone.
Delete the Bluetooth connection from the de‐
vice list on the mobile phone and start a new
device search.
Configure the mobile phone and connect it
with the telephone function.
▷ Contact was created in the contact list of the
phone after the last synchronization.
Too many Bluetooth devices with the same
function are paired.
Synchronize contacts again: "Reload
contacts"
▷ The mobile phone is in power-save mode or
has only a limited remaining battery life.
How can the phone connection quality be im‐
proved?
Charge the mobile phone and deactivate the
power-save mode where required.
▷ Adjust the strength of the Bluetooth signal on
the mobile phone, depending on the mobile
phone.
Why does the mobile phone no longer react?
▷ The applications on the mobile phone do not
function anymore.
▷ Insert the mobile phone into the wireless
charging tray.
Switch the mobile phone off and on again.
▷ Adjust the volume of the microphone sepa‐
rately in the sound settings.
▷ Too high or too low ambient temperature for
mobile phone operation.
If all points in this list have been checked and the
required function is still not available, contact the
hotline, a dealer’s service center or another quali‐
fied service center or repair shop.
Do not subject the mobile phone to extreme
ambient temperatures.
Why can phone functions not be used via iDrive?
▷ Phone functions are not configured for the
mobile phone.
USB connection
Connect the mobile phone with the tele‐
phone function.
Why are no or not all phone book entries dis‐
played or why are they incomplete?
General information
Mobile devices with a USB port are connected to
the USB interface.
▷ Transmission of the phone book entries is
not yet complete.
▷ Mobile phones.
▷ It is possible that only the phone book entries
of the mobile phone or the SIM card are
transmitted.
▷ Audio devices such as MP3 players.
▷ USB storage devices.
Common file systems are supported. FAT32
and exFAT are the recommended formats.
▷ It may not be possible to display phone book
entries with special characters.
A connected USB storage device will be sup‐
plied with charge current via the USB interface if
the device supports this. Follow the maximum
charge current of the USB interface.
▷ It may not be possible to transmit contacts
from social networks.
▷ The number of phone book entries to be
transmitted is too high.
The following uses are possible on USB interfa‐
ces with data transfer:
▷ Data volume of the contact too large, for in‐
stance due to stored information such as
notes.
▷ Playing music files.
▷ Playing videos.
Reduce the data volume of the contact.
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