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      03-17-2013, 10:04 AM   #1
NH335i
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Strange sound. Wheel bearing?

Does anyone have an idea on what this sound is. My pads have plenty of life on them. Wheel bearings maybe?

http://youtu.be/Uig7byTnVl8
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      03-17-2013, 12:07 PM   #2
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I'd assume it's warped rotors. Any vibration? In the past I've read the brake sensor is rubbing another metal piece, just have to wiggle around I think.
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      03-17-2013, 02:12 PM   #3
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No vibration at all. Just the sound.
If i stop. Then start rolling it makes that sound. But then once it goes away it doesnt come back untill i come to an almost complete stop again.
Clearly something brake related.
Ill have to check that sensor rub. Thanks
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      03-17-2013, 03:36 PM   #4
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thats the brake sensor rubbing. I've had that crap fixed twice, super annoying
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      03-17-2013, 05:59 PM   #5
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Shoulda done a search before I wrote this. Didnt realize it was so common. Sorry for the reposts.
But appreciate everyones input.
Ripping the wheel off tomorrow to fix.
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      03-18-2013, 01:02 AM   #6
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Quote:
Originally Posted by NH335i View Post
Shoulda done a search before I wrote this. Didnt realize it was so common. Sorry for the reposts.
But appreciate everyones input.
Ripping the wheel off tomorrow to fix.
no prob, glad I could help
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      03-20-2013, 10:41 PM   #7
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If the sound came from rear, it could be the E-brake problem.
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      03-21-2013, 08:04 AM   #8
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Quote:
Originally Posted by gigagb
If the sound came from rear, it could be the E-brake problem.
I would agree but ive never used it before.
Im ripping the wheel off today. Hopefully just sensor
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      03-21-2013, 11:17 AM   #9
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Thanks much for posting the video. I am just now encountering this sound on my car and came here to search around. I will be interested to hear what you find.
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      03-21-2013, 03:44 PM   #10
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My only wonder is why it sounds like its coming from drivers side.
I thought i heard someone say that the sensor is in passenger rear.

Theres sensors on all 4 right?
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      03-24-2013, 03:14 PM   #11
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Quote:
Originally Posted by ManyMoonsAgo
Thanks much for posting the video. I am just now encountering this sound on my car and came here to search around. I will be interested to hear what you find.
Ok. So I was listening to this sound while driving and figured it was my drivers side rear.

There isnt a sensor on wheel so It couldnt be that.

First - I pulled the wheel off.

Second - i pulled the brake caliper off and pulled the brake pads out.
There was plenty of life on them so that wasn't the issue either.

Next - I blew out all the brake dust and any dirt that was in on or around the brake caliper with mu air compressor. Then cleaned it with brake clean.

Finally - Because Theres no sensor. I was looking for another option it could be and found someone wrote that they broke the edges of the pads. So thats what I did.

I took a grinder with a flap disk and beveled the edges all the way around the pads.

Put everything back together
Drove around. Havnt heard the sound since.

Like i said. Idk if this is the "correct" fix. But it worked for me so i figured id share
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      03-25-2013, 09:05 PM   #12
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had a very similar sound on my 328i. Took it to the local dealer and they said it was the back two wheel bearings. Thankfully it was still under warranty
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