See also:

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 ...

Radar sensors
The radar sensors are located under the rear bumper. The system may not be fully functional in the following situations: Dirty or icy bumper. Stickers on the bumper. A Check Control me ...

Activating/deactivating the system manually
Using the button Press the button. ▷ LED comes on: Auto Start Stop function is deactivated. The engine is started during an automatic engine stop. The engine can only be stopped or st ...