I tried to fit the right rear window tonight in a fair degree of heat and although pre-fit was excellent, the glue has hardened a little too much before I got the window into position and as such there is a lip that exists at the top edge of approx 1mm.
I am in two minds weather to cut it out and redo, OR, to sand it back, glass the edge and move on. Only time will tell.
UPDATE: !!
I have priced the window for delivery and found the following:
