A8P,
May I suggest that you hang on to the CDs, you just might change something in the future that will need software updates which prior to the change were not needed.
I gave my set of update CDs away when I had finished with them and am now thinking that a retrofit I have planned will need another software update.
Basically I am more experienced now than I was earlier, still a numpty but a bit more cautious
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Ray at Wigan Pier
2014 A8L D4 4.0TFSI Gold (Sticker says "Beige") Can't leave you in a black smoke cloud anymore..
In progress, Nothing left to do.
Gone 2004 A8 D3 3.0 TDI. Ebony Pearl Black (with little bits of other colours and glitter)