E46Fanatics - View Single Post - 11 mpg in the city?
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Old 10-25-2011, 10:16 AM   #4
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Join Date: Apr 2011
Location: Bloomington, IN
Posts: 229
My Ride: '01 325xi
Originally Posted by Kubica View Post
Prob needs some pre-cat o2 sensors
Can you elaborate a bit on that? I'm afraid I'm not knowledgeable enough to know that means.
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