Quote:
Originally Posted by StateVector
I have had this exact same behavior on my '16 M2 since I got it a year ago (did the same cold start stumble on stock tune and the carbahn tune). I tried the MAF sensor unplug procedure listed above last week, but nothing has changed. I'm curious if any of you M2 owners (or N55) just live with this? Or is this cold start stumble really worth chasing down multiple rabbit holes? It's amazing how many people have stories about what has seemingly fixed this, but no consensus yet on what it is the definitive solution? Thanks in advance..
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Have you changed your spark plugs?