Thread: Hartge N55 F30 335i Engine Software Tune Yields +56HP / +59TQ for F30, F10, F25
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      07-22-2012, 04:16 PM   #57
Walt
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Drives: 2013 335i m-sport
Join Date: Jun 2012
Location: Arizona

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Does the 335 ecu log boost pressure? If so, the dealer will always know there was a chip or boost controller on it if they bother to look.
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