See also:

Buttons at a glance
1. System on/off, interrupt 2. Resume speed 3. Store speed 4. Reduce distance 5. Store, maintain/change speed 6. Increase distance ...

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 ...

Sound output
Switching on/off When the ignition is switched off: press ON/OFF button on the radio. Muting When the ignition is switched on or the engine is running: press the ON/OFF button on the radio. ...