The concept

If the vehicle does not include Active Cruise Control with Stop & Go, the collision warning is controlled via the camera in the base of the interior rearview mirror.

The system issues a two-phase warning of a danger of collision at speeds above approx.

10 mph/15 km/h. The time of these warnings may vary depending on the current driving situation.

In the process, vehicles in a similar direction of

In the process, vehicles in a similar direction of movement are observed if they are located within the detection range of the system.

When the vehicle is intentionally brought into contact with a vehicle, the collision warning is delayed to avoid false warnings.

    See also:

    Status display
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    Active cruise control
    With active cruise control you can select a desired speed which is then automatically maintained when driving on open roadways and is varied to maintain a selected distance setting to slower m ...

    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 ...