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      04-14-2012, 04:24 AM   #6
Themythx
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Drives: 2008 335i
Join Date: Mar 2012
Location: SC

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I installed just the procede and there DCI and notice a great increase of power and the DCI makes a nice little swoosh sound when gear changing. And it comes with a lot of features all of which I'm still learning. But i would say procede but then again i haven't tried JB4 heard good things though.
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