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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 05-10-2009, 03:27 PM   #1
dane46M3
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Join Date: Jan 2007
Location: san antonio texas
Posts: 8
My Ride: E46 M3
HORRIBLE noise coming from the rear

So yesterday we had a local M3 meet here in TX and were out in the twisties for a while and the car was doing GREAT! After letting the cars cool and talked for bout an hour or so we took off and were heading home. The car was still runnin great until after I stopped to get somethin to drink on the way home. After gettin back in the car and gettin on the highway I noticed a hum which turned into a severe vibration coming from the rear ONLY when I let off the throttle ABOVE 40MPH. I recently got my RTAB's done but the car didn't seem to need an alignment but now it does! The car doesnt pull much but it does a little. Now I have the DSC light on,YELLOW E-brake light, and YELLOW SMG cog illuminated.

What can be wrong, is my alignment that off? It feels like some suspension compenents are loose on the rear drivers side? Any help would be appreciated.
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Old 05-10-2009, 09:05 PM   #2
MoNKeyT88
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Join Date: Jun 2008
Location: Oshkosh
Posts: 54
My Ride: M3,R1,240Z,260Z,Van
I'd get it on a lift and check out your diff.. maybe drain the fluid and see if you see any metal.
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Old 05-10-2009, 09:42 PM   #3
dane46M3
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Join Date: Jan 2007
Location: san antonio texas
Posts: 8
My Ride: E46 M3
wont have access to a lift till tomorrow.
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