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2016 M235i 6-spd
29,213 Posts
Autozone will read your codes for free...get them and use advanced search/thread title to see what's on them here. Look for them individually...and together in your search.

It does sound like an air leak...and nothing personal, but guys have messed up the lower intake boot replacement before...the tab can get stuck inside so even though the boot is 'on' it's not really on right. But there are many other places air can leak. See jfoj's sig file for 'solve every problem' link (something like that).

Know where you're at maintenance-wise too. If your FP is original, I wonder if your Fuel Filter is too? Many things might explain your symptoms...and that's another thing you can do...use thread title search and enter your symptoms...see what comes back.

hth...and a bump for you!
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