It will lock as they hook up BMW software to program and calibrate trans. you wont have to resend overseas but will have to have someone hook up or remote reflash tune
All reviews are for clicks. All tend to be for street driving and "feel" as opposed to strict empirical data. The Supra is a bmw parts bin car. The Emira is all new and gorgeous inside and out- that means more to youtubers. And the Porsche- is well- a porsche