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Old 10-05-2012, 11:17 AM   #20
Registered User
Join Date: May 2007
Location: Westminster, CO
Posts: 355
My Ride: '02 330xi
I had my oil filter housing gasket and ccv replaced a few months ago and my obc mpg went from 17.5 to 21. I drive mostly in the suburbs.
~ '02 330xi
~ '89 RX7 TII
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