Quote:
Originally Posted by Light_Em_Up
You didn't mention 3-stage intake manifold which from previous posted dyno results appears worthwhile. Any plans?
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Yes, the 3-stage intake is an excellent next step. But not till my CPO warranty runs out. My wife's '08 X3 has the same N52 motor as the 128i/328i. The X3 3.0si is rated by BMW at 260 hp vs 230HP for our motor. Afaik the only difference is the X3 has the 3-stage intake. I have heard there is 10 more HP to get from this mod. Whether its 10 or 30 or something in between it seems worth doing and a fun DIY project.
I am still new to this board but I don't see much talk about CAMS. Back when I was modding the E36 and hanging on the Bimmerforums board this was considered the last/best mod, short of supercharging.