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      11-16-2012, 07:15 PM   #3
menewtobmw
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Drives: 2007 335i
Join Date: Jun 2010
Location: Scottsdale, AZ

iTrader: (1)

The JB+ is nice, but the other tunes, JB4 and Cobb are much better.

I have also heard from this forum that the JB+ isn't the safest way to tune, but I have no evidence.
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2007 335i