Quote:
Originally Posted by allmotorh22
as I've said in other posts, it basically comes down to custom tuning for the e90.
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I'm still not sold on the manifold's "big power" difference/benefit other than creating more usable torque at the lower rpms.
Really, a fully an optimized 3.0 liter N/A race motor should be making at least 100 hp per liter. It just needs a competent tuner to figure out how to make the engine breath (and should anyone reach that level, I'm sure its not going to include a manifold with valves taking up room in the manifold).
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Go drive a 3 stage intake manifold on the 3.0, and you will change your mind...