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01-17-2014, 10:05 AM
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#22
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Major General 
Drives: 2007 Z4 M roadster vt2-500
Join Date: Sep 2007
Location: UK
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Quote:
Originally Posted by pokeybritches
By the way, there's probably a reason Vortech trims the impeller blades on the Si to make the SCi. I'd assume it makes it more efficient for smaller applications. Unless you're approaching the limits of the SCi (or losing efficiency), why go for the Si?
My non-M has the SCi unit.
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im guessing your right.
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Z4MR VT2 - Clubsport build.
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