Originally Posted by doba_s
Just checked their site again and it looks like they have a few different systems for e92 M3s. Still didn't find any info about EDC ...
EDC: Electronic Damping Control
Coil-overs replace the factory struts. Ergo, no it doesn't work with EDC.
You can install the system. It's from TCKline, so you know it's good, but you loose the EDC.