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Experiencing Bad MPG
Hello everyone, so I am running the HPF gen 2 exhaust and bms dci right now as my only bolt ons and no tune yet.. I went from averaging about 17-19mpg with the HPF exhaust and now after installing the dci I'm down to about 14.5 mpg.. can anyone shed some light on if the dci could affect my mpg that drastically?
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2017 M2 // Long Beach Blue // Executive // DCT
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