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Old 11-01-2012, 02:11 AM   #378
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Join Date: Oct 2006
Location: Springfield OH
Posts: 740
My Ride: '00 323i + '75 2002
Originally Posted by Hornung418 View Post
Interesting. How will you torque the ITBs to the head?
The intake manifold will bolt to the head as per usual. Then I'll use with the stock intake boots from the bike (if I can find two more, I only have 4 right now) or pieces of silicon tubing to seal the actual intake path from the throttle body to the intake manifold. Then I'll end up welding an aluminum framework of sorts that will hold the throttle bodies in place using the bolt holes in the top and bottom of the castings. That way the intake and plenum aren't supported only by the tubing.
Tinker Engineering - 2014

Mica - 2000 BMW 323i - The one that started it all
Fiona - 1975 BMW 2002 - The Definition of Project Creep
Heidi - 1988 BMW M5 - The piece of BMW history
Silvia - 2013 Subaru WRX - Stock, for now
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