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:
Integrated Owner's Manual inthe vehicle
The integrated Owner's Manual can be displayed
on the Control Display. The equipment
and functions that are in the vehicle are described
therein. ...
The Appendage Factor
M cars have had what I call a high appendage factor — the feeling that the
car is an extension of the driver. It's typically experienced in cars whose
various systems and characteristics are well- ...
Programs
The system offers two different programs.
The programs can be selected via Dynamic Driving
Control.
SPORT
Consistently sporty control of the shock absorbers
for greater driving agility.
SPORT+ ...
