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 ...

Locking and unlocking
Locking and unlocking Pressing the buttons locks and unlocks the doors and the trunk lid when the front doors are closed, but they are not secured against theft. The fuel filler flap remains u ...

Setting the clock
1. Press the button. The main menu is displayed. 2. Turn the controller until "Settings" is highlighted, and then press the controller. 3. If necessary, move the controller to the ...