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      05-10-2014, 03:10 AM   #17
kerm1t
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Drives: 17 M3 ZCP Stage 2
Join Date: Jul 2013
Location: San Francisco

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i just got jb4 working with the latest firmware on my car. i have to ask, how does it feel compared to a stock? I'm trying to pin point if everything on mine is working properly.

when it was stock it will pull up to redline every gear, but with the jb4 it feels like theres turbo lag and pulls hard down low and run flat in the upper rpm.
Appreciate 0