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      11-26-2012, 04:28 PM   #53
ign335i
Second Lieutenant
 
Drives: 335i e92
Join Date: Nov 2012
Location: CA

Posts: 287
iTrader: (3)

If you have to choose just one, a piggyback will net you more power out of the gate with less work since autotuning has gotten very good. With the piggies you have to rely on conservative maps or do a remap every time you get a new mod. Eventually for FBO+ and E85 you will want a flash and the piggy to get the most out of your car. So my advice is to get a JB4/Proceed first for autotuning and then stack a flash if you want to later. There are separate benefits to both and no disadvantage to running both of them. So in a cost unlimited world you would have both. I personally only have a JB4, but plan to get a flash eventually if I want to go past 50% E85.
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