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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 12-20-2011, 02:18 PM
Bmw94 Bmw94 is offline
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Yellow foam in dipstick

Well I am still having the issue of the yellow foam. In the past 3 weeks, I have used about 1 1/2 quarts of oil in my car. I have mentioned the yellow foam in the oil filler cap, and it is not getting better even though I have taken longer drives more frequently. Today when I went to fill it up, I noticed the yellow foam on the bottom of my dipstick. For Christmas I am getting new oil, Liqui-Moly 5W-30 Synthetic. Because of the foam in the oil filler cap, I was going to get a CCV kit for around $170. http://www.ebay.com/itm/BMW-E39-530i...#ht_2250wt_962 With the yellow foam in my oil on the dipstick, does this mean I have blown a head gasket? Will changing the CCV and the oil (and oil filter) solve this problem or is it a bigger problem?
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  #2  
Old 12-20-2011, 02:40 PM
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champaign777 champaign777 is offline
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you will find answers on your question in this thread ( well you can skip last bla bla bla )

i suggest you buy a new style dipstick together with cold whether CVV and hoses ( mentioned in this thread )

http://forums.bimmerforums.com/forum....php?t=1376457

then change your oil
then do some long trip and pray all time

this should clean your Yellow foam

Last edited by champaign777; 12-20-2011 at 02:43 PM.
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Old 12-20-2011, 02:58 PM
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doru doru is online now
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Pretty much what Champaign said. And you hope it's that. Check the coolant for oil traces. And you hope there's none.
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Old 12-20-2011, 02:59 PM
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Fudman Fudman is offline
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STOP! Do not get the eBay version of the CCV under any circumstances! I know this is BavAuto but I would still go to the stealer to ensure you get an OEM version. Replacing the CCV is a huge PITA. Getting an unknown version will likely mean you will redo this job within a year. Replace your CCV with an OEM version and your oil consumption problem should go away. You need to drive longer distances in colder weather to avoid the mayo buildup (oil vapor condensate).

Last edited by Fudman; 12-20-2011 at 03:02 PM.
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Old 12-20-2011, 03:11 PM
Bmw94 Bmw94 is offline
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Okay. I will buy the CCV kit straight from BAV Auto. Where can I find this new dipstick tube? I am not having any luck finding it
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Old 12-20-2011, 03:36 PM
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champaign777 champaign777 is offline
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you have part # in this thread
get it from getbmwparts or ecstuning
I got my from dealer

some more info for you

Yellowish substance under the oil cap

when you do a long trip use some SeaFoam in tank
this guy knows how to clean your engine very well

So you got idea
New CVV-New hoses-New dipstick-Fresh oil-SeaFoam in tank-Long trip-Pray all Way= NO Yellow foam

Last edited by champaign777; 12-20-2011 at 03:49 PM.
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  #7  
Old 12-21-2011, 12:31 AM
JoePH JoePH is offline
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And after all that it will probably come back. I have it too but have only seen it in the ccv line to crankcase so far. If your going through oil your ccv is most likely shot/clogged. Are you burning the oil? Does your exhaust smell? FWIW I read the cold weather ccv had very little r value. More often oil changes in winter should help keep it clean along with highway driving and less cold idling. Check the hose below ccv for holes and check suction at dipstick while at warm idle. Brand of oil doesnt seem to matter, Ive had the yellow stuff with GC and Mobil euro. Maybe using a cheap syn oil and doing bi monthly oil changes in the winter would save ccvv etc.
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