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      08-09-2020, 07:01 AM   #3
patchesj
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Drives: BMW M6
Join Date: Jul 2020
Location: KY

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Part of my thoughts around BM3 vs piggyback is that I would assume a full ECU flash (in particular starting with the comp code) would yield greatest overall drive-ability and part throttle response. Having spent time coding ECUs for chevy V8s way back when, even then the number of variables and tables was insane. I haven't looked at the deep engineering on piggybacks, but there can only be so much fine adjustment made to all aspects of the ECU that way. My total goal is not just raw power, but an across the board improvement. Perhaps I've overthinking it.

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