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Old 08-16-2013, 04:02 PM   #14
Nick M3
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Join Date: Oct 2003
Location: Bethesda, MD
Posts: 12,481
Quote:
Originally Posted by cenotaph View Post
I only had them on my 330 for a few months, but they were great. I haven't heard anything about reliability problems, but I haven't really been keeping track.



The FSDs have trick valving that is stiffer for low speed inputs (cornering), and less stiff for high speed inputs (bumps/potholes/etc.). In general, they act like stiffer than stock shocks, except when the road is rough. I haven't heard anything about reliability problems, but you should check around.
Google "koni fsd reliability" and you'll get a bit of a horror show, especially for the E39. We are talking about 10-15k typical lifespan and Koni swapping with yellows under warranty.

I really wanted to put a set on the E46 M3 (possible with camber plates), but decided against them based on the hugely negative feedback.
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