Brian N.'s been telling me to make a project thread here. I like the idea, but honestly I'm too damn lazy to copypasta everything over from e46f.
So I'll link you to my thread if you want a good read:
http://forum.e46fanatics.com/showthread.php?t=1026101
And I'll post a couple of pictures of how it looks now.
old picture of the rear, but it looks the same even after the roof:
Just need to adjust a few more things, get clear bra and then I can take a proper shoot.