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      09-13-2012, 11:15 PM   #23
seank
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Drives: e30 m3,e90 wagon,sprinter,z4m
Join Date: Dec 2011
Location: sacramento, ca

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Quote:
Originally Posted by TSM330i View Post
Anyone know what the spring rates should be for a full-blown race car? No street driving at all.
More than likely, going to run AST4200 or 5200.
This would be for a non-M.
Thanks
That would depend on racing weight and how smooth the tracks are where you live. Some also prefer a stiffer or softer set-up.

I hope someone chimes in. There aren't many z4 race cars.
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