Audi Navigation Plus Disc



So my Audi Navigation Plus disc is scratched, unreadable (most of the time), and I don’t know what to do. I purchased the vehicle with the disc scratched, knowing that there are ways around it to get another one.

I’ve seen that there are many different torrents that have the files. If I were to go down that path, what would I need to do? Would I want to look for a file that is .iso, .rar, etc… What should I look for? Then, how would I need to burn it? DVD+R, -R, etc… Since I didn’t mess up the disc, it would be nice if I wouldn’t have to pay the $200 + tax for a new disc. I’m sure not everyone does, I’m sure many people go down this path I’m asking about. Can anyone give me some advice, beating around the bush advice or specific advice works, just something to get me started down the right track.