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      09-19-2012, 02:59 AM   #1
TripleBlack
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Drives: 2007 BMW E93 335i
Join Date: Jun 2012
Location: London

Posts: 337
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AFTER I have done....

...some intake, downpipe (maybe) decat and exhaust work, I'm hoping to bump the performance up with a remap.
Ive read up about JB4 kit but I wanted help understanding how does this plug and play kit compare to a custom job spec-ed to my particular car from a reputable company like BW chiptune?
I understand the variety of options you get with the JB4 but I'm concerned about forking out cash for something that wont have a specialist making sure its working up to par.
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