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      12-06-2012, 06:25 PM   #19
135i_vs_
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Drives: M5(sold), 135i(sold), 335d
Join Date: Sep 2011
Location: NY

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Quote:
Originally Posted by 335dM View Post
The BMW rep. told me he hasn't got any carbon built up in 335d in Canada.... looks like our fuel is better
I wonder if its the fuel or EGR system that is at fault here in the US...