#3 - just click this link and type the last 7 digits of your VIN & answer the puzzle...then click the SUBMIT button. When the page refreshes, scroll down & you'll see you info:
BMWVin.com
#1 - the rear pano panel should tilt upward when the sunroof button is pressed upward...and the front pano panel moves completely reward but the rear panel stays mostly in place (from what I can recall...I haven't opened mine enough to remember).