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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 535i engine noise question..
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      11-03-2015, 06:03 PM   #1
f10inSD
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535i engine noise question..

So I did have a 528 and recently moved to a 535... I was wondering is it normal to hear a humming sound when coming to stop that eventually dies out. I would say its similar to the sound of turning off a vaccum just not AS loud.

Is this normal... perhas the turbos spooling down?
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      11-03-2015, 08:31 PM   #2
snowmuch
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Can you post a video?
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C300->C63->535->S4->M4->Macan->Macan Turbo
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      11-04-2015, 08:16 PM   #3
mds1
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Hi,

This has been discussed in another forum. Please check out the following link:

http://www.bimmerfest.com/forums/sho...d.php?t=875916
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      11-04-2015, 11:21 PM   #4
f10inSD
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Quote:
Originally Posted by mds1 View Post
Hi,

This has been discussed in another forum. Please check out the following link:

http://www.bimmerfest.com/forums/sho...d.php?t=875916
PERFECT!

Thats the humming sound that comes and goes. I have an appointment for next week and will have the dealer take a look.
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      02-16-2016, 04:24 PM   #5
bimmer_335
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I've same issue but dealer says they can't hear anything...

I'm thinking of hitting a different dealer tomorrow.
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      02-18-2016, 06:38 AM   #6
Surly73
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Almost certainly the electro pneumatic solenoid for wastegate control.

I believe the noise is a failed diaphragm on the pneumatic side
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      02-26-2016, 03:12 PM   #7
bimmer_335
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Question: Turbo Pressure Convertor is not the same as HPFP or is it?!?

Dealer replaced HPFP... said there was a code!!!

I'm afraid issue will still be there... I will get the car Monday. I've asked him to drive it and check for noise once they put in new pump.
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