04-07-2015, 12:42 PM
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#6
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Track Addict
Drives: 2010 328i, 2014 Z4
Join Date: Jan 2010
Location: NJ, USA
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Also, wrt the JB4 - I had it installed on the car but power delivery was too erratic on the race track and TT classification points didn't make sense for the piggy back units.
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