[Wonks20]

Originally Posted by pcrispy

Here's a video of my 2016 750 doing a cold start then several cycles of switching to open and then auto (closed) using the BimmerLink app. You can hear the flaps open and close, it first changes the passenger side flap, then the driver side closest to the camera.

You really need headphones to hear the difference in the video, which is mainly deeper bass. In person it's much easier to hear the difference. When you see exhaust coming out of the closest pipe to the cameras (outside pipes) that's when the flap is open.

Do you have m exhaust?