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      03-16-2011, 11:57 AM   #9
Mike@N54Tuning.com
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Drives: 2007 335i, 2015 M3
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Quote:
Originally Posted by beemw View Post
Somebody correct me if Im wrong, but I think the jbd works like the jb+(for the i) it trick your car into thinking your in higher altitudes so you run more boost.
No, the JBD remaps the fuel curve and only slightly increases boost pressure.

Mike
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