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      12-15-2012, 05:26 AM   #11
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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]
Originally Posted by kiwi29 View Post
I asked this question once before and they told me, SB or PBX + tune = CEL(check engine light) not to mention a waste of money. The AA tune will held get rid of all lags (or I was told so) and any other add ons will be pointless when you have a tune (i.e. pbx or sb). Id get the pbx though, it has a way better resell value and it is fairly cheaper buying used. Not to mention they're easier to sell than a SB because it seems to be better. If anything though, id chose a true tune over a piggy back anyday. The numbers don't lie the AA tune is 700 bucks just for kicks of the name
I heard the PBX isn't very smooth though but everything else you said was true. Still going with the AA though lol
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