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      07-05-2011, 02:38 PM   #2
Drives: 2011 Z4 sDrive35i
Join Date: Jul 2011
Location: Brooklyn

Posts: 91
iTrader: (0)

I'm interested as well. Was at a little BMW meet a few days back and this guy with a 335 told me a JB kit costs around $500 and can add up to 100hp.
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