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Old 10-04-2012, 10:26 AM   #13
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Join Date: Oct 2002
Location: Malvern, PA
Posts: 976
My Ride: 05 M3, 01 M5, 09 e91
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Originally Posted by MercForHire View Post
For e46 M3s it mostly happen on the first year 2001 model. I saw a lot of those ones crack over the forums.
Although you can crack any unreinforced e46 m3 subframe by being a drifting king or burnout monkey
Originally Posted by Super Sheep View Post
What about a 2005 E46 Coupe?
2001-2005 have identical rear floors. For 2006 they changed to the vert rear floor, which is stronger... but can still be ripped.

Best course of action is to structural foam it and epoxy on plates BEFORE you have an issue. Cheaper and stronger.

Once you've had an issue you have to weld it, no more epoxy. Once you foam it, you can't weld it.
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