Hey jaja, it looks like you based your CF material on diffuse component alone, while in real world it gets its look mostly from reflection. The most important channels here would be bump (normal map) and anisotropic rotation. I had several attempts to make my CF material with mental ray as well as with Corona. I did it as maru said - modeled small weave patch, baked maps from it and then constructed material from those maps. Still didn't achieved result that would fully satisfied me, though. Might do few more attempts.
Here's one of my latest attempt: