Got my 2010 A4 2.0 143PS TDi done by Superships (who were great by the way) though they had to reprogram ECU as it was protected, which took a few hours and expertise. I did try the Bluefin first of all (they suspected it would not work but worth trying) but this would not communicate with the ECU and so had to take the more invasive ECU reprogram. They do include one year of their warranty, in case of an issue with Audi, which can be extended for up to when car is three years old.
Suspect a similar issue with your petrol model, but worth giving them a tinkle, but guess they can't really tell for sure until they see the car (or you attempted a bluefin) due to the variations in ECU's and software fitted to cars around.
Alex