CFM B25 Intake

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MattyX
E30 Zone Newbie
E30 Zone Newbie
Posts: 29
Joined: Thu Feb 25, 2010 11:00 pm

Sat Sep 24, 2016 10:44 am

Hello,

please, does anyone know, how much is CFM standard b25 intake with serial TB?

I want to do CNC porting M20 head, but i dont know, if i can next use standard intake with BTB...
E30 328i M20B28, 212ps & 270nM
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reggid
E30 Zone Squatter
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Posts: 1981
Joined: Mon Jul 11, 2005 11:00 pm
Location: Oz

Sun Sep 25, 2016 1:00 am

its low enough to throw it in the bin. with a ported head it will never flow very well with stock intake manifold.
E30 325is with M20B31
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