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 ...

Flat Tire Monitor FTM
The conceptThe system does not measure the actual inflation pressure in the tires. The system detects a pressure loss in a tire by comparing the rotational speeds of the individual wheels while mov ...

Activating HDC
Press the button; the LED above the button lights up. ...