Hi Dave , you will need the door window off an Audi A3 from 1999 to aprox 2002 after this they are different , you need the full frame that the window sits in , this just bolts out the Audi door with 4 torx bolts , you will need the Audi motor as you need the plastic bush out of it , the plate to bolt the pug motor to the Audi frame will hav to be fabricated ( I can send you a template if you need it ) also I hav a template for the new piece that needs to be welded in above the door , there are plenty pics on my build dairy where to modify the Audi frame and I think more detailed work on where to cut the door on brillos build dairy as I hav just done his and Mickey londons hope this helps cheers jd
Ps if you need any help give me a pm