BMW 3 Series
BMW 3 Series

See also:
Vehicle battery
Maintenance
The battery is maintenance-free, i.e., the electrolyte
will last for the life of the battery.
Your service center will be glad to advise you on
questions regarding the battery.
Batt ...
USB audio interface/mobile phone
audio interface
At a glance
It is possible to connect external audio devices.
They can be operated via iDrive. The sound is
output on the vehicle loudspeakers
Connectors for external devices
▷ Connection ...
Radio ready state
Activate radio ready state:
▷ When the ignition is switched off: press ON/
OFF button on the radio.
▷ When the engine is running: press START/
STOP button.
Some electronic systems/p ...
