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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 12-01-2012, 08:32 AM   #1
jimmy325i
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Join Date: Sep 2007
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My Ride: 325 sedan
e46 325i rear thudding sound

I get a thudding sound when going over bumps. The sound comes from the rear (both sides). I have already changed the struts and bump stops. The top mounts also seem to be in good nick. What else could it be?
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Old 12-01-2012, 08:36 AM   #2
WDE46
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Subframe tears?
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Old 12-01-2012, 08:37 AM   #3
xfixkaos
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Diff bushings?
Subframe tear?
Rsm?
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Old 12-01-2012, 09:01 AM   #4
jimmy325i
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what is rsm? It isn't likely to be diff bushing
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Old 12-01-2012, 09:07 AM   #5
LeMansteve
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Rear shock mounts. You can inspect them by pulling back the carpet in the trunk.
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Old 12-01-2012, 09:17 AM   #6
xfixkaos
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^^

What he said, haha
Or can check spring perch, believe people had some problems with them every now and then
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