Answer:
Its a design conflict when you have Individual throttle bodies. Twin Screw's have to be mounted after the throttle body and usually bolt up as a new intake manifold directly to the head. The E92 M3 has ITB's and you would have to basically remove the ITB's to mount a Twin Screw.
Last edited by SflBimmer8484; 03-13-2013 at 02:12 PM..
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