I called my Audi dealership and was given bad info. I just ordered this part and paid $150 for the tuner and Y connector 3 hours ago and am unable to return/exchange. I need the one ending in "E" not "A". Im just looking to get $100 to try and recoup my loss. It is specific model #- 8E0 035 593 A

http://www.audiworld.com/tech/elec121.shtml

Feel free to contact me with any questions. Thanks