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      03-12-2012, 12:14 PM   #13
SeriousE92
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Drives: E92
Join Date: Dec 2011
Location: NOVA

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Quote:
Originally Posted by TroyDeJ View Post
EGR is probably the best explanation. My other guess is just from exhaust gasses from other cars that pass by the filter and stick to the throttle plate because the intake manifold after the TB was clean
Did you take any pics of the intake arm? I ask because there was a fluid of some kind in mine I noticed when changing air filters recently. See pics below.
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