Well if a door is "open" the OBC should tell you which one is doing it. I can't remember, but the OBC flashes which dor is the cluprit and to close it. But in case it is not, which is what I am assuming, then the only way I would know of is to disconnect the power to each door and norrowing the power down. So you would need to remove the door cards off all the doors and disconnect the power to all doors and then re-connect one door at a time and see which one is tripping an open door. But as I am writing this and thinking, the Dash should tell you which door is the culprit.

As for the window, if you hold the button down until the window goes all the way down, then pull it all the way up, then back down again, it should reset the window.

But what your problem sounds like is a short somewhere.

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2011 E70 50i M Sport