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      04-25-2011, 01:53 PM   #110
knifegun
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Drives: M3
Join Date: May 2008
Location: Where the weather is always the same

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Sonic MS (www.sonicms.net) I am sure could install them for you.

I just got off the phone with Ground Control. They suggested for my car to get 440 in the front and 700 in the rear. He said the rear spring rate depended on what type of exhaust you ran (i.e. OEM is heavier thus a higher spring rate).

Last edited by knifegun; 04-25-2011 at 03:53 PM.