Saving fuel

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 ...

Emergency detection of remote control
It is possible to switch on the ignition or start the engine in situations such as the following: ▷ Interference of radio transmission to remote control by external sources. ▷ Discha ...

Deleting the button assignments
1. Press buttons 1 and 8 simultaneously for approx. five seconds. 2. "OK" ...