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Old 07-02-2014, 05:26 PM   #8
murph1379
Registered User
 
Join Date: Nov 2006
Location: Minneapolis, MN
Posts: 483
My Ride: 2003 330i ZHP
More important than valving, the Bilstein struts should use a shorter strut shaft, thus reducing the impact of the reduction in travel from the new springs.

That's what I've been told is the difference between the Bilstein HD and Bilstein Sport, is that the sport is designed for lowering springs.

Are you sure you have Bilstein sports?

I have an almost identical set of mods on my car to yours... Right now I'm using Pro-Kit springs with Koni FSDs, and finding them a little soft for my taste, been thinking about moving to the Bilstein sports, and had considered the H&R sport springs as well, but if that's a problematic setup, I'll avoid it.

Does anyone know what the spring rate difference is between the Pro-Kit and the H&R Sport springs?
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