In all seriousness...I think OPs front windows don't roll back up when he closes the door(E92) or the rears on his E90 don't go all the way up. Either ways he needs to reset the window function. Try this:
http://www.m3post.com/forums/showthread.php?t=462100
Or this
http://www.m3forum.net/m3forum/showthread.php?t=330647