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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 > How do I fix this god afwul horrendous noise?



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      10-05-2012, 02:08 PM   #1
Mpy18
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Angry How do I fix this god afwul horrendous noise?

This is the most annoying and embarrassing thing that a nice expensive vehicle can have. I can't even drive with the windows down anymore because of the noise, I'd rather just try and forget it's there, but on a day like today where having the windows down is more enjoyable than the AC it just ruins the whole experience. Wish I had my old 97 Maxima right about now.

I have brought it to the dealership and they can't get the car to do the noise so they can't fix it. Which is pure BS since it happens every single time the car breaks. I got in my car went 5 feet and backed it right back into their garage and got back into the loaner, and told them to fix my car. They said they took the breaks apart and cleaned all the dust off it. That worked for about 30 minutes.

What the hell can I do about this?
I don't know how to embed, so here.

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      10-05-2012, 02:33 PM   #2
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Mine does it too there are so many threads about this issue. Even newer ones seem to have it.
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      10-05-2012, 02:42 PM   #3
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My car does that every now and then, but my E39 did it constantly. I agree, it's extremely annoying.

Since it happens all the time, take the car to the dealership and have your SA and/or a tech ride with you so you are certain that they have acknowledged and documented the noise.
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      10-05-2012, 02:44 PM   #4
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find a pressure wash type of hose sprayer at a local diy car wash place and spray the shit out of the brakes/rotors, etc. then let it dry for a bit and try it out again.

if the issue persists go to bmw/indy shop.
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      10-05-2012, 02:45 PM   #5
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http://www.e90post.com/forums/showthread.php?t=697365
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      10-05-2012, 07:01 PM   #6
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OP's issue is noise while braking, which is different from the noise everyone else is experiencing (noise upon slow acceleration).
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      10-05-2012, 09:17 PM   #7
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Mine were squeaking at braking too. Check the OP, I have a video in it with same exact sound.

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      10-05-2012, 09:26 PM   #8
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Damn your car sounds like a school bus stopping lol
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      10-05-2012, 09:47 PM   #9
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I had the same sound and it happened to be the brake sensor on the front driver side. I removed the brake and removed the brake sensor and grind it down half way and the sound went completely away. Be careful not to grind the sensor too far to the wires or you may get a brake light on your dash meaning your brakes are getting low.
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      10-05-2012, 09:56 PM   #10
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You want super responsive brakes with bite? Then you get the noise with all the dust these brakes make.

Clean your wheels - especially if your brakes are new.

But more importantly - understand that's the tradeoff you get. Performance isn't always sexy. In this case, it's dusty, grimy and noisy.
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      10-06-2012, 08:26 AM   #11
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take off pads. add anti squeal. put back on? if that doesnt work back up the car hit the brakes hard. if there is random crap in there it can dislodge it.
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      10-06-2012, 08:37 AM   #12
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Brake squeal

Replace your brakes.
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      10-06-2012, 10:37 AM   #13
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Quote:
Originally Posted by jolette View Post
Replace your brakes.
This, but with 1 caveat. Those of us still under free maintenance/extended maintenance simply can't have the brakes replaced (believe me, I have the same problem w/ my front brakes and I've tried multiple times). Until the car says it's time to have the brakes replaced, we're SOL.

However, a few years ago I had similar issues with my rear brakes, the dealer simply replaced them under warranty w/o any hassle.
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      10-06-2012, 11:58 AM   #14
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This has recently happened to me too. It usually goes away for a while when I wash my car and spray the rotors everywhere on the high pressure setting. It still happens but it's really really quiet now and almost unnoticeable.

Btw, do you hear a click as you're braking and about to come to a stop? I remember hearing that when that squeak noise was around. *squeeee -click- eeeeak* *stop*
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      10-06-2012, 02:02 PM   #15
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Quote:
Originally Posted by smithrh View Post
You want super responsive brakes with bite? Then you get the noise with all the dust these brakes make.

Clean your wheels - especially if your brakes are new.

But more importantly - understand that's the tradeoff you get. Performance isn't always sexy. In this case, it's dusty, grimy and noisy.
not always though. my old e39's brakes only squealed when my brake pads were almost worn out. my current e92 only squealed when the pads actually were worn out (i had less than 1mm left on the pad LOL). Yes, all oem rotors and pads.
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      10-06-2012, 03:49 PM   #16
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I'm going to switch to aftermarket brakes and see what happens. Mine squeals up to 35 mph. It's especially annoying when it's stop and go traffic on freeways.
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      10-06-2012, 09:10 PM   #17
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Try rebedding your rotors
from 60MPH on an open freeway, SLAM the breaks!!! dont come to a complete stop (5-10MPH)
do this 3-5 times. Works for me and makes my breaks silent for about 2 weeks or so and then comes back. So i just repeat this process every time it comes back. Good Luck
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