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Potential Tuner
Sorry for the noob questions 99 regal gs.
I have someone who already has a bin file and just asks if I can upload it onto his ECM for him. How do I go about doing this? Can I just hook up and write the file he has? (of course before I do so I will copy then ECM just incase) that way I am only paying for the credits on his file.
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Senior Tuner
You would need to licence both OS's. Other than that, unlock his, then open the bin he wants loaded. Compare files and copy changes to his VCM