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#1
04-21-2011, 12:37 PM
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smokey on startup
i have an 01 4.4i x5 with 194k and drives like a dream. only this morning has it developed alot of white smoke from the exhaust on a cold startup. it would last 3-5 seconds and then stop. the x drives fine with no missing or reduction in power. when driving there is no smoke, and when warm, there is no smoke. the smoke has a strong petrol/oil smell to it, but dissapears in a few seconds. im hoping its nothing too serious. any ideas?? any help would be greatly appreciated as i was planning on going for a weekend holiday with x this weekend?? thanks in advance 
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#3
04-21-2011, 08:02 PM
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Quote:
__________________
03 E53 X5 4.6is Sapphire Black on Black 08 e65 750i Alpine white, Sport Package
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#4
04-23-2011, 09:47 AM
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Yes I agree , oil seperator . The oil is collecting in the intake due to the PCV not draining back to the oil pan , my 4.6 did the same thing and one day a cylinder took a gulp of oil from the intake then it broke a connecting rod destroying the block.
Dave
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#5
04-23-2011, 07:08 PM
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Thanks for the advice, I'll take it to a mechanic to look at.
Is it ok to continue driving? Other than the initial smoke and burning oil smell it seems to drive ok.
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#6
04-23-2011, 07:31 PM
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actually it is safe to drive when there is symptoms of oil separator and PCV valve being bad. For a while, until they brake like yours. Now the white smoke like that is burning oil. I wouldn't say its completly safe as its not 100% safe for above mentioned to be droven as well. Its realy not a big thing and should be fixed soon until youre going to have fear that its turned into something big..
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#7
04-25-2011, 09:51 AM
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Mine smoked for the whole summer on every start up and a bit when I accellerated hard on the highway, it was ok in nice weather but in minus 20 the oil was thicker then collected in the intake manifold , we warmed up the engine one day, hit the gas to go and it was all over !
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#9
04-25-2011, 02:14 PM
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mine did the same a few months back...it continued to do so on start up.....took in to shop, and bam!!! hoses were all collasped!!! i had driven around for a while like that too...but all has been changed........
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