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      01-07-2013, 06:49 PM   #12
ctuna
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Drives: 325xi 06 wagon MT
Join Date: Jan 2010
Location: Santa Cruz, Ca

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In the US all the NA engines are the same size.

They are 3 liter engines with the difference being intake manifold , exhaust
and software/ECU .
325, 328 , 330 in the US all 3 liter engines.(for the e9x series)
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