See also:

Radar sensors
The radar sensors are located under the rear bumper. The system may not be fully functional in the following situations: ▷ Dirty or icy bumper. ▷ Stickers on the bumper. A Check ...

Malfunction
The yellow warning lamp flashes and then lights up continuously. A Check Control message is displayed. No flat tire can be detected. Display in the following situations: ▷ A wheel with ...

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 ...