See also:

Look well ahead when driving
Avoid unnecessary acceleration and braking. By maintaining a suitable distance to the vehicle driving ahead of you. Driving smoothly and looking ahead reduces fuel consumption. ...

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 ...

Interior rearview mirror, automatic dimming feature
The concept The concept Photocells are used for control: ▷ In the mirror glass. ▷ On the back of the mirror. Functional requirement For proper operation: ▷ Keep the photocel ...