See also:

Speed limit
Display of a speed limit which, when reached, should cause a warning to be issued. Renewed warning if the vehicle speed drops below the set speed limit once by at least 3 mph/ 5 km/h. Displayi ...

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 ...

Jump starting
Notes If the battery is discharged, an engine can be started using the battery of another vehicle and two jumper cables. Only use jumper cables with fully insulated clamp handles. To prevent p ...