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      12-08-2018, 06:34 PM   #10
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Drives: 2020 M2CS 6MT
Join Date: Oct 2015
Location: Illinois

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Quote:
Originally Posted by eatingpizzainthef87rules View Post
Dinan uses progressive rate springs with a softer initial spring rate - they then toss on stiffer swaybars to counter the added bodyroll a softer inital progressive spring gives - swaybars have 0 effect on bounciness or ride quality until the car is loaded up.
Actually, I believe it's the other way around. Dinan uses linear springs vs progressive in stock and most other setups. Although the springs are technically more stiff than stock, their behavior is different (more linear?) than stock and thus appears softer. In other words, more compliant. At least that is what they say here:

https://f87.bimmerpost.com/forums/sh...2#post21564030
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