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you are right, but as far as i understood, there was an hypothesis that the new i drive controller works as retrofit only on cars that have recent tcu. In fact I have an european car and so an european TCU (probably with gsm) and the 048 does not work.
So either i have a tcu like said in the technical bulletin and it's normal that it didn't work or the hypothesis based on the tcu is not the right one ?
By the way, did anybody try to make unplug the tcu in a car and test the new idrive controller (for the one for who it does not work ?)
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