See also:

Special windshield
The windshield is part of the system. The shape of the windshield makes it possible to display a precise image. A film in the windshield prevents double images from being displayed. Therefore, ...

System limits
Sudden tire damage Sudden serious tire damage caused by external influences cannot be indicated in advance.◀ A natural, even pressure loss in all four tires cannot be detected. Therefore ...

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 ...