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      02-08-2010, 10:23 AM   #16
uberschnell
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Drives: // 135i //, X5
Join Date: Mar 2007
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Quote:
Originally Posted by kenneth View Post
I will be doing some of this soon (swift/AST), and was wondering how your 400/800 spring rate drives on the street, and on track. Some feedback would be appreciated.

I was thinking of going with 350/700. Thanks
I've got the AST/Swift combo at 400/600. Very good manners on the road and can be dialed in for track. Would have gone 400/800 but Harold suggests new rear subframe bushings for that, otherwise too much slop in the back to handle it.
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- 08 135i - Wavetrac LSD, AST 4100, Swift springs, Brembo GT brakes, M3 front sway, Meyle HD links, Dinan Camber plates, Whiteline subframe bushings, M3 rear guide and upper link, M3 front control arms, HP custom M3 front Strut brace, Megan rear control arms, F30 brake shields -
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