Thread: ESS Tune
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      05-24-2012, 03:02 PM   #5
int2str
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Drives: 2008 135i
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Quote:
Originally Posted by ozinaldo View Post
There is a thread started by GIAC in the specific sub forum (engine etc.) where GIAC guys say that you have to take it to a dealer for install and/or removal. But I remember that they also provide you as an option with a switch to go back to stock mapping at times, there were no details on this part.
You have to go to an authorized GIAC dealer to get the tune flashed. They also offer a map switcher device, but it doesn't actually re-flash the car, just switches between built-in settings.
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