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Old 02-11-2012, 07:31 PM
marksM3 marksM3 is offline
Location: Fresno Ca.
Join Date: Sep 2010
Posts: 111
Mein Auto: 1998 m3
Originally Posted by Pinecone View Post
The M50 manifold losses power below about 4000 RPM, increases it above 4000.

When we put a Turner Stage 4 kit on our M Roadster (S52) we kept the stock manifold since the car is street driven only.

For a track car, I would put the M50 manifold on.
if I do the m50 swap do I have to get a chip to make it go to 7k rpm?
if I do what's the best chip to put on it I know there's quit a few of them out there
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