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      07-05-2009, 03:58 PM   #3
Army X5 S5
Lieutenant Colonel
Army X5 S5's Avatar

Drives: '11 X5 35i / '13 S5
Join Date: Jun 2009
Location: Deployed to Kuwait

iTrader: (2)

One Major draw back I see on a flash is, if you don't have all your mods already installed, then your gonna have to re-flash every time you get a new mod... With a piggy back I think you have more options available with the various stages, personally I like the idea to change your tune on the fly based on your other bolt on mods, VS. every time i change parts I have to get re-flashed... I could be wrong though...

BMW X5 35i: Boopie Exhaust, Boopie Intercooler, K&N Drop in Filter...
Audi S5 2013 (Delivery Sept 2013): Mods pending review