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      11-06-2011, 09:49 AM   #75
bigjae1976
That's what she said...
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Drives: 11 E90 M3 Individual
Join Date: Mar 2006
Location: Milwaukee, WI

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2004 BMW M3  [4.50]
2011 BMW E90 M3  [5.00]
2013 BMW 328i  [5.00]
In the cases of broken bolts...is the diff bushing still good? Are the dealers replacing them?

The subframe issue in the E46 was caused by worn subframe bushings. The bushing would excessively twist and load up the mounting point which would eventually fatigue the metal.

Maybe BMW improved the subframes and bushing design in the E9X but now created the problem with the diff bushings?

Maybe the heat from the exhaust (sans the heat shield) cause the diff bushings to fail from heat?
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