This post is very informative.
All of AC Schnitzer's carbon aerodynamic parts for the E9X M3 are true prepreg dry carbon fiber.
I think the OP is trying to say that if you are not buying a "replica" carbon part, at replica prices, there is more value in purchasing a superior product with OE like fit. The ACS rear diffusor for the E92 M3 (pictured below) weighs less than 2 lbs and fits like a glove.
