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      12-29-2012, 05:29 PM   #31
Amini77
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Drives: Alpine White '13 550i
Join Date: Nov 2011
Location: Tarzana, CA

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2013 BMW 550i  [0.00]
Nice review! Can't wait to get mine!!!!! Can you please explain to me how the AA tune works with the headers? I mean regarding the CEL..So you got the headers and right after you uploaded the AA tune? Don't you have to go to a tuner shop to do that? Or do you have the handheld? What's the off-road setting? I'm a bit confused on this thanks
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