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      07-24-2009, 05:02 AM   #2
archwerks
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Canada
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Drives: x6 3.5i VR
Join Date: Jun 2008
Location: canada

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92/94 octane gas

I have run both chevron 92 & 94 in my 3.5i. i think i may be getting a little better mpg on 94, otherwise any difference in performance is more psychological than real for me.
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