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      01-06-2022, 11:07 AM   #6
alohasurftoad
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Drives: 440i gran coupe w/mppsk
Join Date: Apr 2015
Location: hawaii

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Quote:
Originally Posted by rG-tom View Post
would you go for the eibach pro kit or the ACS springs that are designed to be used with the adaptive dampers? also, would you change to the f8x bumpstops at the same time?
Eibach is the manufacturer of ACS, however to their specs. I believe the ACS spring rate is a bit stiffer and possible slightly lower. they also cost more because it has an ACS logo. personally i'd get Eibach however ACS is a fine choice also(again, Eibach makes them). Yes, I would swap to he F8X bumpstops.

I believe Eibach has two different Pro-Kits. the rear springs are the same however in one kit, the front is a bit lower. not sure about ACS. please do your own research regarding all of this info prior to purchase.
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