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      10-17-2013, 10:00 PM   #1676
Seattlesquash
Seattle Car freak
 
Drives: E92 328i 2007
Join Date: Nov 2011
Location: WA

Posts: 168
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2007 B7 RS4  [0.00]
2007 E92 328i  [3.00]
My understanding is that the AA tune already adjust the throttle response and fuel mixture... If you kept the power box, you will now increase a pre setting by a current percentage again through a piggy back system. Reminds me of when I bought a chip for a previous car where I had a shift kit in the transmission, which I forgot to mention, and now per the chip we tightened up the shift points even further and blew the tranny. Second of all, I had the powerbox, and it is nothing in comparison to the full AA tune. Sell it, pick up some cold ones, and get the full AA stage 2 with 3 stage intake and you will never look back. If my wife notices the changes, which she did day one, then something drastically must have changed!!!!!
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