There are a number of businesses that specialize in aftermarket sunroofs. You might want to give one of them a call, though I suspect they'd charge a large amount if they'd do it at all. And if professionals don't want to tackle it, that's a good indication it would be a
big job.
If you part it out, dibs on the two little screw/clamping sections thingies!
http://318ti.org/forum/showpost.php?...2&postcount=15 Assuming it's a 7/96 or earlier ti....