Originally Posted by edconline

I purchased the Uprev package from their site that comes with the cable and 3 free etunes. The base tune they sent with the cable was just ok, and I had two e-tunes done after that which made a noticeable improvement. From the time I sent the files for the etunes, to the time I got the new tune file back, was about a week both times. Not bad.

As to finding your ECU part number, I just called the dealership I bought the car at and they read it to me over the phone. Hope this helps.

EDIT: If you get this and have any further questions about the software or datalogging for the etunes, just PM me. It is actually quite simple.