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2010 2011 BMW 5 Series Forum F10 BMW 5-Series (F10) Forums General 5-Series Sedan and Wagon (F10 / F11) Forum What is this robotic/whistle sound/noise from engine after shut off
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      05-14-2017, 07:57 PM   #1
07e92
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What is this robotic/whistle sound/noise from engine after shut off

From my 535i, anyone know where and what is this sound/noise? Should I send the car to the dealer?

https://youtu.be/YueI0gFUp4c

Last edited by 07e92; 05-14-2017 at 11:00 PM..
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      05-14-2017, 09:12 PM   #2
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I'm not sure exactly about the noise but my car does make noises after I shut it off. Its just everything closing and going into "rest" mode
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      05-15-2017, 12:36 AM   #3
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Quote:
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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      05-15-2017, 01:08 AM   #4
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Right, that's where and why my recording was aiming around the air filter tube/box area. But don't know what exactly making the noise

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Originally Posted by ezaircon4jc View Post
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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      05-15-2017, 04:16 AM   #5
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http://www.bimmerfest.com/forums/sho...d.php?t=679219
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      05-15-2017, 07:45 AM   #6
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same here! i'm assuming that's just normal when things are shutting down
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      05-15-2017, 09:34 AM   #7
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I've got a fan in my garage and if I place it in front of the air dam, the car will constantly make that noise on and off. It stops shortly afterward. Very weird, but I've been assured all is perfectly normal.
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      05-16-2017, 12:46 AM   #8
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Quote:
Originally Posted by S1ammin View Post
Did anyone read this?
It was a vavle in the ac compressor.
Mine doesn't do this so I would say it is not normal. Critical? Not that either, but it would be an irritant.
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      05-16-2017, 10:39 AM   #9
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Quote:
Originally Posted by wcr3d View Post
Did anyone read this?
It was a vavle in the ac compressor.
Mine doesn't do this so I would say it is not normal. Critical? Not that either, but it would be an irritant.
I've never heard the noise from the Youtube video coming from my F10 after shutdown. I don't think I would call it "normal" either.
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      05-16-2017, 06:58 PM   #10
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Quote:
Originally Posted by wcr3d View Post
Did anyone read this?
It was a vavle in the ac compressor.
Mine doesn't do this so I would say it is not normal. Critical? Not that either, but it would be an irritant.
Yes. And I sent him an email but he hasn't visited here since that post...
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      05-17-2017, 07:42 PM   #11
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A forum member named "BMW technician" seemed to know also, you could try him.
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