Here's a thread where we can leave aside the assumption that we all know everything about BMW's and the mechanical or other aspects about them :hehe!:. As they say there is no such thing as a stupid question!

So have no shame and thou shalt not judge! :smiling:

I'll start...em..carbon air boxes....how exactly do they work. Nice, noise, light weight but what is the science behind the air flow that increases HP and justifies the huge price tag? :huh: