Prob need some more info / pics mate as they all will be different.
When I replaced the wing mirrors on the old scoob it was a case of interior door panel off, 3 screws, unplug the heated element and reverse to fit new one.
If they have broken something I would think its unlikely you can do an easy repair but you may be lucky - if not get yourself down the breakers yard
Pete
oh yeah - that smell is Jaimz and Red - sorry about that..