Originally Posted by LateBraking
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In other words, the EDC module simply deletes any error codes your car has. It's a requirement, unless you don't mind seeing an EDC error on your car's dashboard every time you start the car. It doesn't add any functionality, nor does it remove any, it simply lets your car operate as intended after the removal of EDC. But really, I do think that all of these answers can be searched for and found with little to no difficulty.
Thanks..I guess I'm confused because I saw this and thought there was kw coil overs with edc: http://www.**********s.com/KW-Varian...E92-E93-M3.htm
there is an option for the coil overs with edc (part number 35220057) and another version with edc delete (part number 35220083).