Came across this website that allows you to custom "tune" a car with accessories. Let's you add a hood scoop to 3.0 CSL without actually chopping up a NLA aluminum hood.
http://www.3dtuning.com/hu-HU/tuning/bmw/3.0.csl/coupe.1971
http://www.3dtuning.com/hu-HU/tuning/bmw/3.0.csl/coupe.1971