Quote:
Originally Posted by Protious
From the looks of it, we'll need some sort of "black box" (manhart, switzer) in order to get more boost. Does the +5/6 PSI include Switzer's "Engine Control Module", or is that just from the tune?
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Switzer's piggy back or "Engine Control Module" is what "fools" the DME to provide more boost. It is the "tune" and is what adds the +5 or 6 PSI.
The BMS tune is similar, along with Hartge. I have not seen the Manhart boost box but I'd assume it is similar as well. Could be wrong though. I have not seen any OBDII data from a car with the Hartge piggyback or the Manhart boxes - plus, the Manhart boost boxes are only on their upper stage for the M5. So, you are adding that on top of the OBDII flash.