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      08-30-2012, 12:30 AM   #4
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 Clovef View Post
So I have Apex ARC8s with a+45 and +62 offset with 235/40/18 and 275/35/18 Dunlop Star Specs that I am having a hard time fitting with my ohlins with the drop I want. As of now I have the kit springs and am about stock ride hight. I think I could go lower in front with some 5mm spacer. In the rear iwas thinking of getting swift springs to replace the kit ones and want to be lowered about an ince so the tires tuck a little if that is possible. I daily drive and auto X it some. I also want to start doing track days. I was thinking a 8" 672 rear spring would be good. Is that length good or should I get something else. I may want to raise it up to stock hight in the winter. I have the stock subframe bushings in the back so I don't know if I want to heavy of a spring rate. Maybe even Dow around 600 would be good. What do you guys think I should do or what have you done? Thanks
To be able to lower the rear of your vehicle more with the Ohlins, you will need a 65mm ID 9" spring at the rate of your choice. 672 in/lb would be the max. I would go without M3 rear subframe bushings.

OEM rear Ohlins spring is 10" in length.
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