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      06-22-2022, 12:00 PM   #5
MegaMatt3
Bimmer Candidate
United_States
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Drives: '16 M235i
Join Date: Sep 2013
Location: Maryland, USA

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This also happened to me last summer on my '16 and is documented with videos in a separate thread of mine. Exact same issue as yours, and my local Euro shop couldn't make any progress whatsoever. I wasn't fortunate enough to find the MAF process.

It eventually went away as the mornings turned cool and then cold, and didn't come back this year when they got warm again. Very strange.

I'll also say my stock charge pipe just exploded a week ago and I'm in the middle of ordering a new one. With the charge pipe disconnected, my car starts but doesn't idle for long before completely conking out. Assuming too much air. In light of that issue, I had started to assume my issue last summer was maybe because the charge pipe connection was poor and was leaking air or something.
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