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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 10-01-2012, 08:38 AM
c100988 c100988 is offline
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Mein Auto: 323i
Rear Grinding noise and DSC light on

I have a 2000 323i and last week I heard a sound when accelerating from a stop coming from the rear of my car almost like a grinding sound, today when driving into work I heard the sound agian but this time it was when I accelerated from even idoling in traffic, also throughout my drive on the interstate my DSC light would come on randomly and idea on what the problem could be? I know it can't be good and want to fix it ASAP any advice would be helpful.
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  #2  
Old 10-01-2012, 08:45 AM
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Mein Auto: 2004 330Ci ZHP 3 pedals
Several possibilities:

Broken spring (quite common)

Bad shocks

Bad diff bushing

Torn subframe (your MY was vulnerable to this. Do you know if your car was ever inspected under the terms of the lawsuit agreement ?)

Do a manual override of the DSC, and see if that changes anything.
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Old 10-01-2012, 08:48 AM
c100988 c100988 is offline
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also when i drive down the road my car sounds like im in aan airplane the road noise is annoying could this be part of the problem?
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Old 10-01-2012, 09:16 AM
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Quote:
Originally Posted by c100988 View Post
also when i drive down the road my car sounds like im in aan airplane the road noise is annoying could this be part of the problem?
That could be due to bad tires, wheel bearings, and maybe a few dozen *other* things. I suggest finding a good BMW-knowledgeable shop in your area, and have them take a look at the car.
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Old 10-01-2012, 09:26 AM
c100988 c100988 is offline
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I was going to try to "pinch my pennies" and do it myself but i guess that may be the only option at this point
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Old 10-01-2012, 09:35 AM
new_kid new_kid is offline
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Quote:
Originally Posted by c100988 View Post
I was going to try to "pinch my pennies" and do it myself but i guess that may be the only option at this point
Start troubleshooting when you can. As mentioned, it could be any one of a number of things. It should be easier if you have a Bentley Service Manual; check the suspected area one by one until you narrow it down. Then repair and be on your way.

DIY = Save $$$$

Good luck.
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Old 10-01-2012, 09:53 AM
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FIRST thing the OP should do is to have a dealer run the VIN to see if the car was ever involved in the Subframe Class Action Lawsuit, and was it inspected, repaired, fell between the cracks, or whatever. In the event of a Worst Case Scenario, repairing subframe damage can exceed the value of the car, essentially turning it into a parts car.
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