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      12-16-2012, 06:23 PM   #9
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Drives: '11 E92 335i
Join Date: Jul 2008
Location: Jacksonville, Fl

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I noticed the same issue - I emailed Terry about it already as well. Let him know, this may be a characteristic of the new firmware in certain configurations. I did NOT backfire nearly as much prior to the ISO, and I know my car inside and out.
-madmanhiker jax,fl
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