From what I gather, our ECUs have a better ability to adapt to bolt-on modifications as compared to the E46 M3.
Also, no, the AA tune isn't one you can tweak on your own at the dyno. I merely meant that with the handheld units, you can flash the tune in yourself on your own time, as opposed to having to go into a vendor for the flashing. Handheld units allow you to store your OE tune should you ever decide to revert back to stock and/or pass on your tune.
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