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Old 10-26-2010, 02:32 PM   #3
Mark M
Registered User
Join Date: Sep 2009
Location: Lancaster, PA
Posts: 422
My Ride: e30 M3 / e90 335d
TiAg might not be too far from the truth here. My gut theory is that due to the AWD system, the rear subframe never sees enough torque to cause cracks.

However, conversely, due to the AWD system, our front control arm bushings wear faster due to the torque / power now pulling through the front axles.
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