See also:

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 ...

Tire inflation pressure values over 100 mph/160 km/h
320i   328i 335i ...

End of warning
The warning ends: Automatically after approx. 3 seconds. When returning to your own lane. When braking hard. When using the turn signal. ...