I use castrol edge 5W-30, cost about £50 for a full change (only 4 litre tubs so you need a 1L topup aswell)
and the writeup on the Castrol site and on the back of the tub says "Latest technology and specific formulation for modern Audi and VW engines"
Also Autodata list 5W-30 fully synth as the oil to use for 'ultimate protection' or something like that, on these cars.