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      04-04-2012, 10:16 AM   #5
Doyle
Hellafunctional
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Drives: 335xi
Join Date: Nov 2010
Location: N/A

iTrader: (2)

AWD Addict is right: the RWD/IS "sport suspension" is a completely different suspension package. That means the springs, dampers, bars, etc are all changed. Likely the sport struts have lower spring perches in order to allow for more/better travel, rather than just shortening the spring. Likely the sport struts are shorter, as well.
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