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      06-30-2017, 08:42 AM   #7
TheHouseWon
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Drives: 2013 M5
Join Date: Nov 2015
Location: SoCal

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No, it is not normal. I experience some lurching and bucking but only in Sport+ in low rpm. I got walked by a bpm car, so there's that... Pretty normal.

Anyway, get a tune, dude, and gap your plugs to .022 or .024.
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