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      10-18-2012, 09:31 AM   #1087
strobe89
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Drives: 2010 E92 335i xDrive
Join Date: Oct 2012
Location: Dayton, OH

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I have a 2008 328xi I purchased a few months ago and interested in the AA tune. Using the simon tool, could I remove the tune and go back to stock for warranty work? I have a CPO warranty for about 2 years left still and was hoping if I got the simon tool I could switch tunes before going into a dealer. Any chance the dealer would be able to find out even after reverting back to stock tune?