Distance to back of head: electrical head restraints

The head restraint is automatically repositioned when the shoulder support is adjusted.

    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 ...

    All around the steering wheel
    All around the steering wheel 1. Rear window safety switch 2. Power windows 3. Exterior mirror operation 4. Lamps         Instrument lighting  &n ...

    Warning stages
    Prewarning This warning is issued, for example, when there is the impending danger of a collision or the distance to the vehicle ahead is too small. Acute warning with braking function Warning ...