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:
Service and warranty
We recommend that you read this publication thoroughly.
Your BMW is covered by the following warranties:
> New Vehicle Limited Warranty
> Rust Perforation Limited Warranty
> Federal Emiss ...
System limits
Top View cannot be used in the following situations:
▷ With a door open.
▷ With the tailgate open<>.
▷ With an exterior mirror folded in.
▷ In poor light.
The arrows ...
Exterior
With standard visual cues that come only with the 128i's optional M Sport
Package, the 135i has an aggressive front bumper with three large air inlets.
Xenon headlights are standard, and they carr ...
