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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 03-20-2016, 10:03 AM
Briona Briona is offline
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Mein Auto: 2004 325i
2004 325i - Vibrating throughout the whole car

I have a 2004 325i. I have been having some trouble recently about aggressive vibrating throughout the whole vehicle. It is really bad between the speeds of 30-40mph while decelerating. Any suggestions on what could be wrong?
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  #2  
Old 03-20-2016, 11:12 AM
Norm37 Norm37 is offline
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Mein Auto: Chevy half ton pickup
Quote:
Originally Posted by Briona View Post
It is really bad between the speeds of 30-40mph while decelerating.
Are you using the brakes when decelerating? If so could be warped rotors.

Also check and see if any of the motor mounts are broken.
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Old 03-20-2016, 12:26 PM
Briona Briona is offline
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does it with or without brakes.
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Old 03-21-2016, 09:40 AM
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tim330i tim330i is offline
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Welcome to Bimmerfest! I've moved your question to our E46 3 Series forum, you'll get more help in here. How many miles and what maintenance has been done so far?
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Old 03-21-2016, 10:17 AM
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Fast Bob Fast Bob is offline
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Mein Auto: 2004 330Ci ZHP 3 pedals
One or more of the following can contribute to such a condition:

Bent wheel(s)
Worn tires
Bad wheel bearings
Control arm bushings
Brake pad buildup on rotors (rotors rarely warp in real life)
Worn steering giubo
Worn tie rod ends
Driveshaft center support bearing
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