Quote:
Originally Posted by Analog
+1
I have my ECU flashed with AA tune for about a month. Couldn't be happier with my car now (E90 330i).
I feel the car has more usable torque, and it's just more fun to drive  |
Hands down better than any piggyback. It's perfectly safe for the car/ ECU as well, and the dealer can't detect it unless they REALLY dig
Only sweat is any major maintainence... gotta ask them, errr, you're not flashing mah ECU are ya?
But yea, you CANNOT go wrong with an AA tune, and it is a MUST for any N/A Bimmer.