Alarm system

See also:

2012 BMW 650 review
One of the greatest leaps in automotive progress this past decade has been the taming of the convertible. Once requiring a tradeoff — open-air enjoyment versus performance and year-round comfort — ...

2011 BMW 328 review
As BMW runs a war path with new model introductions — two gigantic, turtle-shaped crossovers a year, at this pace — they haven't forgotten where the profit margin lies. It's in the little 3 Series ...

The concept
The concept Two radar sensors below the rear bumper monitor the area behind and next to the vehicle at speeds above approx. 30 mph/50 km/h. The system indicates whether there are vehicles ...