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      08-06-2013, 03:20 PM   #13
dhirm5
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Drives: 2014 M5 ZCP, 2014 X5 35d
Join Date: Dec 2010
Location: Bethesda, MD

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The question is - how will this impact the performance/feel of the car on the street; i.e. are these increases in stiffness/spring rate etc going to be detrimental to every day driving feel?

More on that from me in October.

Regarding 601M being forged vs not - there was some conjecture that they might not be based on some literature someone found elsewhere which referred to 343M directly as forged, but 601M just as "light alloy".