Quote:
Originally Posted by e90pilot
What engine do you have? N51 or N52? N51 already has a 3-stage intake manifold. N52 powered 328s do benefit but don't see quite the same gains as the 325 does since image 325 is down 15HP on the 328.
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Is it more bang for the buck to get a tune first then a 3 stage manifold second on a 328? Just lookin for a little more ooomph on my 328i 6MT