Quote:
Originally Posted by roundel335
It's not just the manifold - there's a software upgrade that is required in order for the internal "flaps" to work properly. This raises the power to the same level as the 2006 330i, which was rated at 255 hp. Turner Motorsports is pretty reliable as far as truth in advertising.
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DME still is adaptive to the stage 3 manifold without tune. I had it on my car for about 4 months with no problems, still a notice a power gains too but not as much as with a tune. And no CEL and it still runs great and strong! Day and night difference. I'm waiting to get my tune once I have all the mods I want so I don't have to go back and buy another tune when I get more mods added to the car. The power curve will drop off towards redline without the tune with the stage 3 manifold but not enough to even be a big deal.