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      11-06-2012, 02:03 PM   #10
Jeff@TopGearSolutions
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Drives: C6 Z06, GSXR-750, 09 335i
Join Date: Dec 2008
Location: TopGearSolutions.com

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If you get a tune you can uninstall you won't have to worry. Cobb,Vishnu Porcede, Jb4 are all tunes you can uninstall.

I can't say with confidence which tunes are supposed to meet emissions but I would imagine most of them do anyway considering at idle they run the same AFR of 14.7 that the car run's stock. I dont think you should be concerned with any of the popular tunes.