Quote:
Originally Posted by e90pilot
All us spec N51s have a 3 stage intake manifold. That's how they get the same power of as an N52 powered 3/128 even with lower compression.
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My dad's car is parked next to mine right now. I took a look and his N51 indeed has a 3stage manifold and my N52 has a 1 stage. Much easier to see the difference between the 2 manifolds when they are side by side.