That is a good question, one that I have certainly wondered about. I know that www.shox.com shows Bistein's all the way around from $649, but they don't say much about the autoleveling.

http://www.shox.com/appguide/shoxsho...ctsdisplay.php

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2013 X5 xDrive3.5i Premium
2002 530I Sport Package
2001 X5 4.4i
2001 M3