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      05-15-2013, 08:23 AM   #12
ozzy1
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Drives: e90 - 328xi
Join Date: Aug 2012
Location: MI

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Quote:
Originally Posted by joec500
it's a super Easy DIY, I would recommend just replacing them. I find once they start throwing codes, even after cleaning they return.
^ this and my mpg improved right away after the replacement.
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