Seven - you have the right idea, but those front intakes are redundant because of the kidneys. They are already pulling in plenty of cool air, the hot air needs to be exhausted through a reverse scoop.
2007 E92 335i For Sale (lots of *good* mods)
2003 BMW M5 Dinan S1+++
1996 Porsche 911 Turbo
1972 BMW 2002tii