Originally Posted by phozenstone
yeh i'm having a hard time finding people who have posted dyno's after the tune. Really the only one i saw was AA's dyno which shows similar gains (minimal) but somehow they boast 15-20HP gains. I guess they mean 15-20 for 325i owners who have done the 3-stage intake manifold swap.
Did you see this one? It is the most recent one from AA. If I am not mistaken its a N52 328Xi.