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      05-16-2010, 04:59 PM   #8
wolfe77
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Drives: 2008 135i
Join Date: May 2010
Location: Orange County, CA

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Quote:
Originally Posted by GaryS View Post
They call that Stage 2.5. People who've tried it say there's a bigger performance difference between Stage 2 and 2.5 than between Stage 2.5 and 3. I would have guessed it keeps the boost up into higher RPMs, but if it makes such an obvious difference, I guess it also increases the peak boost.
Stage 2.5... that's interesting, I had never heard that referenced before.

So it sounds like having an FMIC installed does in fact change the parameters when the Stage 2 is flashed. That's good information to have as it will likely change my upgrade order. Seems like it would make sense to do the FMIC first unless anyone else has conflicting info?

Thanks for the info all. Much appreciated.
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