Ah, the later model 77 kW/103 BHP engine then, from the look of it. That has an 0A4 gearbox.
The oil spec search refers first to a VAG part number G 052 512 A2, which you should look for on the side of the oil container. Further searching shows that it is an API GL-4 oil, 75W, Fully synthetic.
Cross-referencing with Opie Oils pages, the part number links to the specification TL 525 12 for which they carry the
Fuchs TITAN SINTOFLUID FE SAE 75W
You'll need 2 litres, the fill quantity is 1.8 to 1.9.
That was a lot of work for a simple question, wasn't it?