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2010 2011 BMW 5 Series Forum F10 What the shit is this noise??? |
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12-08-2021, 08:09 AM | #1 |
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What the shit is this noise???
Hey guys..I got home this morning..pulled car in garage and this loud noise..sounded like a constant beeeeeepppp just was coming out of my engine bay for about 5 minutes..thought it was the PCV system..but I took off the oil fill cap and hit the brake a few times..the noise just stayed constant... I uploaded 2 vids to you tube..any ideas at all ???
https://youtube.com/shorts/SsookUGSdQI?feature=share https://youtube.com/shorts/h-13PXXjkMM?feature=share
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12-08-2021, 09:29 AM | #2 |
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Might be the water pump?
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12-08-2021, 09:35 AM | #3 |
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Nope cannot be water pump...for 2 reasons...I just changed it and....forgot to say in the description..car was off..ignition off...then I went back and hit the start/stop..it actually got lower in the one video
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12-08-2021, 12:56 PM | #5 |
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What would I check on the throttle body??
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12-08-2021, 09:56 PM | #6 |
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My 2014's been doing that since 3/17. It doesn't happen all the time and usually after I've driven the car, let it sit awhile, when it's cooler outside than in the garage and I open the garage door. My dealer hasn't been able to replicate it so they can't fix it. I found a BMW mechanic online (can't remember off-hand who it was) who said it's some kind of a pressure equalizing valve (something like that) in the A/C system. After almost 5 years there has been no apparent effect on the climate control. I also always use the automatic function.
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12-09-2021, 01:55 AM | #7 | |
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12-10-2021, 01:12 AM | #8 |
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Nothing to really check. I've seen it in several different cars. It will stop if you lock the vehicle. Usually it's the motor inside the throttle body that makes the noise
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12-10-2021, 04:10 AM | #9 |
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Thanks for that info Hoa, noise has not came back since
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12-10-2021, 01:13 PM | #10 |
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I have had cars do this in the past and it has been the fuel system causing the issue. It would occur after driving and it would stop instantly if i took off the gas cap. Removing the gas cap would cause pressure to suck in not out as you would think it would do. It was some kind of vapor lock or something but you may wanna remove the gas cap while its happening and see what it does. Hope this helps you and good luck.
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12-10-2021, 08:16 PM | #11 | |
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Thank you, Iwill try that if it happens again, hasn't done it so far
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12-10-2021, 11:53 PM | #12 | ||
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Quote:
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This is the guy that told me it was a valve in the climate control: https://bmwtechnician.com/ |
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12-11-2021, 12:31 PM | #13 |
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Thanks...but I might have bigger fish to fry soon...
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