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Techstream is the software the dealers use to make these changes to the car. I can say that 7.12.000 is the newest version (at least one of our local dealers says it's the newest one). I can also say that since the software that came with (what I'm guessing is a Chinese Mini VCI Interface) your cable it's not legit. I haven't read about any issues of people using these versions, but buyer beware indeed. Some of the fake VAG-COM stuff has caused damages in the VW world in the past.
The "real" Techstream pacakge with the cables, laptop, and software is in the ballpark of $8k. It's powerful and useful software, but can be dangerous in the wrong hands.
That being said I'm not sure if anyway you can disable the traction control permanently/semi-permanently. I know they're pretty adamant about not driving the Prius when it's in inspection mode as it can cause damage, but I doubt that translates to the FR-S.
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--- Deebeaux
--- Former '13 FR-S Turbo Owner
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