haha, check this out. This guy on www.bimmerforums.com went to the track and left his mark on one of the turns.
Thread is here(have to be a member): http://forums.bimmerforums.com/forum/showthread.php?t=383007&page=1&pp=25
Pictures:
Thread is here(have to be a member): http://forums.bimmerforums.com/forum/showthread.php?t=383007&page=1&pp=25
Pictures: