Thread: What is this robotic/whistle sound/noise from engine after shut off
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      05-15-2017, 12:36 AM   #3
ezaircon4jc
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Drives: 2019 540i M Sport
Join Date: Jan 2015
Location: San Diego

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Originally Posted by 07e92 View Post
From my 535i, anyone know where and what is this sound/noise? Should I send the car to the dealer?

https://youtu.be/YueI0gFUp4c
I've got that EXACT same noise on my '14 535i. The noise seems to emanate from the area below the air filter box. It seems to happen at random.
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