I would also stick to the original system. This article describes the system...

http://v12uberalles.com/Adaptive_Damping_System.htm

and this one documents how I changed my creaking strut...

http://v12uberalles.com/Rear_Struts.htm

If you're really set on changing the system, I think Strutmasters.com makes a conversion kit.

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1995 S600, 1 of 618 (sold)

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