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#1
12-09-2016, 10:11 PM
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Orange goo inside breather hose?
Replacing a few things on the N62 4.8l today and while removing the crankcase vent breather hose i discovered some bright orange goo on the inside of the hose and on the outlet tube on the valve cover. I havent gotten the cover off yet (i will tomorrow) but after checking in for the night i figured i would get some input on what the heck this is. Any insight? I've been trying to upload pictures but the file size restrictions on this site are rediculous...
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2007 E70 X5 4.8i Sport Package 8x,xxx Miles "My Precious" (Smeagol voice) 
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#2
12-09-2016, 10:24 PM
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Also saw that the inside of the plenum has oily residue coating all of the inside. The large black housing that sits inbetween the valve covers. On top of the valley pan and below the airbox. What the throttle body is bolted to. Basically a bunch of oil behind the throttle body all over the inside of the plenum. Is this normal? And if not, what could be causing it?
__________________
2007 E70 X5 4.8i Sport Package 8x,xxx Miles "My Precious" (Smeagol voice)
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#3
12-10-2016, 11:51 AM
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It's normal to have oil in the intake. The CCV vents oil, combustion / blow by products, moisture, etc into the intake.
The creamy peanut butter is caused by my understanding blockages in the CCV, and insuffienct drive time to fully remove moisture and other contaminants that build up in the engine oil and CCV system.
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