There are a few things you could improve. One essential is your basic lines.
The way the Helmet in the cmx viewer is set, is like it would be in game on the driver, but you orientate your lines on the angle in the original helmet, which is sitting on a desk. Take a look at this comparison. This will give you a good overview of what needs to be done.
Also, as a sidenote, the way a texture is wrapped on a model in LFS is like beam of light or a piec of rubber, which results at some areas in stretching, like your fedex, bmw and accenture logos. You'll have to sqeez these parts to counter that.