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Old 05-18-2016, 02:10 AM
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X5only X5only is offline
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Join Date: Feb 2008
Location: Bellevue, WA
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I'm definitely going to try this tomorrow now that the pcvs have just arrived. Smoke comes only from the passenger side exhaust. And this gets me thinking......when I was doing the water pipe and the upper timing case gaskets, I opened only the driver side intake manifold and cleaned the vent pipes on that side only. I was able to change the passenger side timing cover without opening that side intake. Any way, we shall see tomorrow if cleaning both side stops the smoking....

By the way, in your case the smoking stopped immediately, it wasn't a gradual process, right?

I will be doubly, utterly shocked if this fixes my smoking issue
'05 E53 X5 4.4i, '97 E39 528, '07 E92 335i, '16 F86 X6M.
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