Flash file selection help in odis Engineering

Hi, I'm working on a 2010 Audi S5,3.0i TFSI,VIN- WAULGBFH7AN025299 it needs TCM update. I'm a bit confuse about selecting the correct file for it as there are so many same part numbers but only the last letter is different.
my car info -audi p/n- 8k1927156c, soft ver-0002
hardware -0b5927156e.