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      12-06-2012, 01:06 PM   #13
DUI Elite
///M at Heart

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Drives: 2006 SGM E90
Join Date: Jan 2011
Location: Chicago, IL

Posts: 1,688
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prob weight.

E91 touring (OP's car) has more weight on the back wheels. That too, wheel width can affect it a lot. narrower = more weight per square inch