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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 11-01-2010, 06:54 PM
gop4life168 gop4life168 is offline
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Location: SC
 
Join Date: Nov 2010
Posts: 1
Mein Auto: 2003 BMW 330ci
Brake Squeal: 2003 330ci

Hey guys,

I searched all over and haven't found anyone else that has this same problem.

Car: 2003 330ci with ~65k miles

After driving for a while each day when i apply the brakes a horrible noise is heard. It sounds like those older cars that barely run and you can hear the awful squeal from blocks away. I took it in to get it checked and they said they couldn't find anything wrong and couldn't replicate the noise. This only happens after driving for about 10min in the city and then its almost like a certain point that the brakes touch is the only time the sound is heard. Does anyone know what this problem is? If it helps, heres a diagram that shows where the sound is heard relative to the pressure applied.

Least {___|xxx|_________}Most

Thanks in advance.


Also, what would be the cost to fix this problem?

Last edited by gop4life168; 11-01-2010 at 06:59 PM. Reason: More info
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  #2  
Old 11-01-2010, 07:18 PM
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Mo.licious Mo.licious is offline
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Location: San Francisco, CA USA
 
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Mein Auto: 2001 325Ci Convertible
@ 6:48

http://www.youtube.com/user/528im52#p/u/5/q3spy5jtvXo
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  #3  
Old 11-01-2010, 08:00 PM
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Coconutpete Coconutpete is offline
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Location: Charlotte, NC / Denmark
 
Join Date: Feb 2008
Posts: 4,475
Mein Auto: 08' 4Runner V8
Did someone change pads and not rotors? Sometimes when that happens the new pads wear according to the groves in the rotor and "sing" when a certain amount of pressure is applied to the pedal.
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  #4  
Old 11-02-2010, 07:55 AM
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ECSTuning ECSTuning is offline
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Location: Wadsworth, Ohio
 
Join Date: Feb 2009
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Mein Auto: Hover Car on Wheels
If it continues you might want to consider applying an anti-squeal compound. They make the world of difference sometimes.

These synthetic lubricant contains real ceramic solids for extreme performance under the most critical braking conditions.

Click HERE to order or for more information.



Please let us know if you have any questions! Feel free to shoot me a PM or email.

Best,
Joe
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