Ok... Third time it's happened. Caught it on film.
They couldn't re-create it the first or second time, so I emailed the video to my SA. He says they will hold onto it until it happens... But he also said "clutches and transmissions aren't under warranty unless you have service inclusive plus"??? There is no way this is user fault, it's obviously an issue from BMW.
I hope I don't have to have a big fight over this.
My car is 2.2ish years old, and only has only 40,000km (BMW Canada gives 80,000km warranty from new).
This is without even washing it today. Just starting it after grabbing some lunch.