See also:

Bluetooth audio
At a glance ▷ Music files on external devices such as audio devices or mobile phones can be played back via Bluetooth. Use of a mobile phone as an audio source. ▷ Bluetooth® is a re ...

Safety
Both the coupe and convertible have front airbags plus side-impact airbags built into the front seats. As required of all 2012 models sold in the U.S., the 640i has standard antilock brakes and an ...

Automatic mode
The automatic engine start/stop function is operational after each engine start. The function is activated above a certain speed. ▷ Manual transmission: above 3 mph, approx. 5 km/h. ▷ ...