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      03-11-2022, 06:47 PM   #4
zstokes
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Drives: 2021 M3 Comp
Join Date: Mar 2021
Location: Simi Valley, CA

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Quote:
Originally Posted by Edgarm8933 View Post
I'm not mechanically savvy but I've noticed it only happens when I put the car in sport mode. Comfort mode it's fine but when it's on sport mode it makes those pssss psss noises as I accelerate and downshift. It's kind of annoying. Just figured If I should take it to the dealer or if it's normal.
If it was only during acceleration, I'd say it was turbo whine/induction sound. Not sure what downshifts are all about.
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2021 M3 Comp / Isle of Man over Black / Carbon Ceramics
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