See also:

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 ...

Opening/closing the glass sunroof and sliding visor together
Press the switch twice in the desired direction past the resistance point. The glass sunroof and sliding visor move together. Pressing the switch again stops the motion. Convenient operat ...

Tone control
You can alter various tone settings, e.g. treble and bass or the speed-dependent volume increase. The tone settings are applied to all audio sources. The settings are stored for the remote control ...