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      07-31-2021, 07:51 AM   #21
vrooooom
New BMW owner
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Drives: 2018 BMW M2 LCI
Join Date: Feb 2021
Location: Philippines

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I’ve just changed my downpipe to Active Autowerkz Hiflow DP today and I also noticed this too. If I rev to say 2-3k and let go it’ll drop to normal rpm and gets what I can best described as a hiccup.

This is supposedly normal? I don’t recall it doing that before. I’m on BM3 and I’ve just recently up’d that to Stage 2-93 octane and that didn’t do a thing in this aspects.
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