There is a lot of conflicting info on that topic. The struts are different between EDC &ZCP as they have different part numbers. The exact confirmed differences are unknown. Some say lower perch or valving or a combination of the two. Since your sensitive to ride height and OEM component wear & tear you should consider the KW Sleeve over kit and call it day.
Current - '11 e92 M3 SG/FR ZCP|ZCV|ZP2|2MK|494|415|6NR|752