RE: the pro view mirror mounting to the windshield. If you're worried about scratching it, maybe apply some thin double died trim moulding tape to the windshield frame if there's enough room to mount the mirror bracket over it.
'06 X2 MCX
"I understand why some people may not want to do this the way I have recommended but I can't understand the death grip some people have on a toilet plunger with a hose fitting." -JimN