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      01-20-2013, 09:27 PM   #2
07lilredwagon's Avatar
Drives: 07 328 wagon
Join Date: Dec 2012
Location: New York

Posts: 525
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Is the car running okay?...It could be a condition of a rich mixture during warm up....or something more "serious"...and by serious I mean "getting older" and maybe burning some oil, but to me it looks more like unburnt fuel residue that anythings else...but why just the one pipe?

hmmm....partially plugged catalytic converter?....I would think you should be getting codes....mabybe an O2 sensor?

Can you give us more to go on?

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