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 in the blind spot, arrow 1, or approaching from behind on the adjacent lane, arrow 2.
The lamp in the exterior mirror housing lights up dimly.
Before you change lanes after setting the turn signal, the system issues a warning in the situations described above.
The lamp in the housing of the exterior mirror flashes and the steering wheel vibrates.
See also:
Tachometer
Always avoid engine speeds in
the red warning field. In this
range, the fuel supply is interrupted
to protect the engine. ...
Ventilation in rear, center
▷ Thumbwheels for adjusting the temperature,
arrows 1.
Toward blue: colder.
Toward red: warmer.
▷ Lever for changing the air flow direction, arrow
2.
▷ Thumbwheels for open ...
Even more entertainment at the wheel: with BMW Live and BMW Online
Subject to owning a suitable internet-compatible mobile phone and arranging a
requisite data tariff, new BMW 3-Series Sedan customers can enjoy a selection of
services from the existing BMW Online ...
