E46Fanatics - View Single Post - 11 mpg in the city?
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Old 10-25-2011, 11:38 AM   #5
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Join Date: Apr 2008
Location: Boston
Posts: 4,971
My Ride: 2003 325xi
Originally Posted by Table3 View Post
Can you elaborate a bit on that? I'm afraid I'm not knowledgeable enough to know that means.
Replace the two oxygen sensors before the catalytic converters with Bosch units- $45 each shipped from amazon.
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