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Old 02-27-2014, 05:31 PM   #1
Too_Tall
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Join Date: Oct 2011
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the infamous yellow gunk??

so apparently this is a common issue from what ive been reading.
OK mid summer i started smelling what i think is a burnt oil smell coming from my vents when it was on low..
NOW winter, i warm my car in the morning..one morning the car is filled with smoke and stinks like a mother.
i looked under the oil cap....yellowy oil.

From what ive read im hoping its not a head gasket..
on that note the car DID NOT over heat nor has a serious ticking noise.

now also from my readings...my drive IS 2 minutes to work from home so i know it could be condonsation from such short drives constantly.

any suggestions on where the F i start on diagnosing this would be sick..
the motor is m52 from my 1997 328vert.

thanks.
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Old 02-27-2014, 05:51 PM   #2
Blackedout95
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Any oil leaks, say around the VCG?

My guess is if you have enough of a leak (would have to be big), it can drip down and MAY be entering via the hvac etc.

As far as the build up, best to see if it is affecting the breathing system (choking), sometimes if left long enough you will need it done. Start by using a good enough flush before your next oil service and see if it "helps".

Just a couple thoughts.
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Old 02-27-2014, 09:39 PM   #3
KIRASIR
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What kind of smell are you having? Coolant smell is very distinct, almost sweet. Given the age of the motor I would first start looking at the valve cover gasket and crank case ventilation system.
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Old 02-27-2014, 10:00 PM   #4
Blackedout95
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I thought about coolant and possible heater core going on him, will cause smoke and strong smell though the vents as well BUT he mentioned it happened in summer as well so...killed that thought.
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Old 03-01-2014, 10:10 AM   #5
Too_Tall
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its not a sweet smell like i have been described to which might be the head gasket.
i pulled the dip stick and the oil itself looks normal. im going more towards ccv
valve.
if thats the case the car has been sitting all winter its probably backed up like a mother now.
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Old 03-01-2014, 11:27 AM   #6
Blackedout95
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As stated, check for the ccv and vcg for a good leak, that simple
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Old 03-01-2014, 11:58 AM   #7
Too_Tall
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thanks guys appreciate it.
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Old 03-01-2014, 03:01 PM   #8
BmW1819
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it's your valve cover leaking on to exhaust back lower corner
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