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 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:
Weights
The values preceding the slash apply to vehicles
with manual transmission; the values following
the slash apply to vehicles with automatic transmission.
...
2011 BMW 1 Series M Review by Joe Wiesenfelder
Based on the BMW 1 Series, the 1 Series M takes its place among M performance
versions of the 3, 5 and 6 Series cars and the X5 and X6 SUVs. Though the name
"M1" seems a natural, BMW use ...
Tilting the glass sunroof
Push switch upward briefly.
▷ Closed roof is tilted open.
▷ The opened roof closes until
it is in its tilted position. The
sliding visor stays completely
open. ...
