https://erwin.audi.com/erwin/showOrderFlatrate.do
Thats where you go if you want all the repair info on PDF
Thats where all the A8 stuff here came from.
You need a program that allows you to print to PDF, something like cutepdf.
Once you have a program that allows print to pdf, buy access to erwin that allows printing.
Then select the model you want and print all the documents to pdf.
30 euro's is not to much IMO and its the latest info they have.