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      05-17-2013, 11:17 AM   #48
HP Autosport
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Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com

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Quote:
Originally Posted by Hogsmith View Post
Harold, that is a direct quote from our correspondence "About the 40 N/mm and 100 N/mm springrates, this is the rate which we found comfortable for street use, but still gives you a pretty firm ride. We have used 60 N/mm and 120 N/mm springs, but this gives you a bit of less comfortable ride." Having said that I am visiting the JRZ HQ next week and will try both setups. I am leaning towards the higher rate springs so there is a fair chance I will end up with 60/120. I will report back and share the pics of the install too.
That is very odd. I found 6kg and 12kg to be very comfortable, more comfortable than OE. 7kg and 14kg would be a bit on the firmer side, but still not firmer than OE unless the damping is turned up.
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