Originally Posted by sylonien
Very true and thought the reverse thing would be standard since the mirrors are electric anyway and nothing more to add except for some codes.
Definitely dimming interior mirror, saw it happening, turns dark green and sensor in mirror. But exterior didn't play ball.
To check, simply go to bmwvin.com and enter the last part of your VIN number and you should see a full list of options that has been installed on your car.
Thanks for the site, its backed up right now so I couldn't check mine. Does your driver side mirror dim?