I believe the Dinan springs are 30% higher spring rates than stock. Not sure if that is compared to non-sport or sport springs. Dinan and BMW PS are pretty similar. Dinan are less expensive. Neither drop your car very much.
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Originally Posted by BdSM n54iS
Hey Chris, do you by chance know what the spring rates are for those Dinans?  I'm thinking pretty much comparable if not the same to the BMWPS yellow springs, 195F/505R? Any other advantage to running those vs. the yellows?
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