Thread: Intake or BMS Powerbox?
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      12-28-2010, 12:03 PM   #14
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Quote:
Originally Posted by R33K128i View Post
What exactly is the powerbox? Sorry I'm new to this.
It's a piggyback style software tune that adjusts throttle remapping and a few other parameters for non-turbo 6-cyl cars (N51/N52 engines including the 128i).
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