External devices
At a glance

See also:
Headlamps
▷ Do not rub dry and do not use abrasive or
caustic cleansers.
▷ Soak areas that have been soiled e.g. due to
insects, with shampoo and wash off with
water.
▷ Thaw ice with d ...
USB audio interface/audio interface for mobile phone
OverviewIt is possible to connect external audio devices. They can be operated via iDrive.
Sound is output over the vehicle speakers.
Options for connecting external devices
> Connection via US ...
Switching on/off
Switching on/off
Press button 1 on the steering wheel.
▷ On: lane markings 2 are lit.
▷ Off: lane markings 2 go out.
The system can issue warnings at speeds above
approx. 40 mph/65 ...
