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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > weird moan..what is this?



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      03-01-2011, 12:48 AM   #1
campbelly
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weird moan..what is this?

so after some spirited driving last night for a little bit i heard this moaning whenever i accelerated at all...i still hear it today but not nearly as much and its much more intense when parking/starting in 1st gear...anyone know what this is exactly?

i attached a video that captures the moan both with the window up and down:

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      03-01-2011, 12:56 AM   #2
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Almost sounds like your tires are rubbing... kinda strange.
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      03-01-2011, 01:01 AM   #3
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kinda sounds like your steering, do you notice if its more when turning?
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      03-01-2011, 05:57 AM   #4
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let me guess this is a joke video with car + mandingo + wife/girlfriend ?

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      03-01-2011, 07:22 AM   #5
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Inb4 the that's what she said jokes.

OP, what do you mean by "spirited drive"? Did you drive it at high speed, power slides or doughnuts? Being more specific might help people identify the cause of the noise.
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      03-01-2011, 01:49 PM   #6
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      03-01-2011, 02:41 PM   #7
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Quote:
Originally Posted by sk8board511 View Post
kinda sounds like your steering, do you notice if its more when turning?
i do notice it more when steering hard but that sound is sorta normal right? and it doesnt just happen when steering..i hear it mainly when i rev the engine at low rpm's and it changes with the pitch of the engine so i dont know

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Originally Posted by Smokey View Post
Inb4 the that's what she said jokes.

OP, what do you mean by "spirited drive"? Did you drive it at high speed, power slides or doughnuts? Being more specific might help people identify the cause of the noise.
not rlly at a high speed, and definitely not doughnuts or power slides...just pedal to the floor till like beginning of 4th gear...more or less from stop to like 80 kmh..but this is a bmw for crying out loud not some honda...its built to be a performance machine right?
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      04-12-2011, 01:16 PM   #8
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I hear the same sound but quieter and the car doesn`t even have 1,000 miles. I can hear it only at low revs (~1500rpm) no matter what gear (heard it even in 4th). Can hear it also in 2nd gear at 700rpm! Mine seems like it`s coming from the back..
Does anyone have any idea where this could be coming from? (can hear it only while rolling and it`s not tyre rolling sound)

Last edited by alex86; 04-14-2011 at 03:25 AM.
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      04-12-2011, 01:34 PM   #9
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i didn't listen to it, but symptoms sound like a belt of some sort. certain belts are susceptible to both engine speed and steering wheel turning.
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      10-06-2011, 09:16 PM   #10
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sorry to revive an old thread but im hearing that exact noise in my car! did you ever find out what the problem was and get it resolved?
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      10-06-2011, 09:27 PM   #11
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I'm guessing accessory of some kind - water pump or alternator.
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      10-06-2011, 11:40 PM   #12
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Power steering pump is what it sounds like to me. If you've ever owned a ford, 80's - 90's (not sure if they still do it now) you can tell it's a ford by the moaning of the power steering pump. Fords are notorious for that noise. Doesn't mean it's broken or anything, but it's a hydraulic pump, and pumps tend to whine. I wouldn't worry about it to much unless it starts getting worse, or other issues start to come up. Just my .02. I've had lots o' fords!!!
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      10-07-2011, 01:19 AM   #13
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almost dead body in the trunk??
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      10-07-2011, 06:42 AM   #14
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Oh look... Another abandoned thread. I'm so sick of kids posting an issue about their car and never providing additional info or a solution. Mods should make this a rule and hand out the ban stick.
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