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Old 02-24-2009, 04:05 AM   #1 (permalink)
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Question White Smoke From E34 540i After Oil Change

ok, i have another problem now with this bm..

i changed all filters and oil recently, cause it was due for service..the guy i bought it off was using castrol magnatec in the engine, i used penrite 5-50...its semi synth, i dont know what the magnatec is..anyway, now in the mornings after the car has been sitting all night, i get white smoke, and lots of it..
generally after driving a little its less, but still there, mainly mornings when i go to work, after work theres none, well atleast i cant see any...whats the problem here?
do you think its the oil?
oh by the way i used an oil flush too, before putting in oil...the brand was nulon engine oil flush..
maybe, the semi synth is no good for the car? it has 265000km on it.
or was it the engine flush?
i dont know what i should do now, change oil again, or what?
the penrite oil cost me $90aud...
does anyone know anything about this problem??????????????
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Old 02-24-2009, 05:10 AM   #2 (permalink)
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Its condensation from the exhaust, happens on every car this time of year.

Unless it smells of oil which It would probably be blue rather than white.
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Old 02-24-2009, 06:30 AM   #3 (permalink)
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ok, i see..
its white yes and doesnt smell of oil...
but i never had it before service, maybe yes its the morning dew, i have the car covered every morning with water, from dew..

they say the flush is not advised on these cars, is that true?
and was castrol a better oil for this car, or is penrite ok?

semi synth, so shouldnt do any damage, seeing that it has so many km's on it...
i heard also that synth is no good on old motors..
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Old 02-24-2009, 09:30 AM   #4 (permalink)
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If the problem continues, give our certified technician a call at 1-877-634-0063. We have him on phone duty all day to help out with pinpointing problems. Also, here is our list of parts for the E34 and 5 series:

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Old 02-24-2009, 11:24 AM   #5 (permalink)
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The oil you have in is fine, although I would have gone full syn or full mineral and not a half way syn, but thats my preference.
I have heard that with your car's age and mileage it would probably run better on mineral, but there's no proven fact for this!!
I run on full syn without a problem with 197,000miles on the clock.

As for the dont flush these engines thats mainly down to all the sensors, some say they have problems afterwards and some dont.

See how it goes wait till the warmer weather gets here and keep an eye on the oil level.
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Old 02-25-2009, 06:23 AM   #6 (permalink)
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ok this morning, with absolutely no dew, very dry, i had a look at the car to see if it would blow smoke..at first it didnt, until warmed up, then same crap, white smoke..i noticed that usually when the smoke is there, the exhaust tips inside are wet with water, at first this morning, they were dry, so no smoke..where's this condensation?? inside the engine or exhaust???
i didnt have this problem before oil change, seems strange..
i put my hand in the smoke, and it is like steam, wets my hand, and doesnt smell that bad, no oil burning smell..
this problem has me stumped...
could a leak somewhere on engine block have this effect?
u know water leaking into oil, engine cavity...it looks like condensation like you say, i agree, but why now? why not before the oil change?
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Old 02-25-2009, 07:19 AM   #7 (permalink)
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Does it smell sweet? White smoke is typically coolant leaking into the combustion chamber. Marti5 is right oil is usually blue-ish. Look at your oil, if its kind of milky-brown, your coolant may be leaking into the oil. Just a couple things to check out. Hope that helps...
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Old 02-25-2009, 07:59 PM   #8 (permalink)
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da_bull is 100% correct.......if you are getting a sweet smell along with a lot of white smoke from the tail pipe....this points in the direction of coolant in the combustion chamber.....I would drain the oil & look for any signs of coolant (water).

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Old 02-26-2009, 04:43 AM   #9 (permalink)
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ok once i drain oil and find coolant in the combustion chamber, what does this tell me??
what is the problem, and how do i fix it?
what i dont understand is, all of a sudden this problem? i only changed filters and oil, and now i have f***ed the engine?

could the flush have damaged something, or the semi synth is cleaning the inside and now there are leaks?

please help me here..
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Old 02-26-2009, 04:56 AM   #10 (permalink)
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Calm down, are you losing any oil or coolant???, the flush should'nt have damaged anything, Im sure the company that made it does'nt want to be replacing engines because its product has F$$$$$d them up.

Your worst case would be a head gasket or a cracked head.

Is there any mayo in the coolant system or in the oil ?????

Is she running ok ??
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Old 02-26-2009, 04:59 AM   #11 (permalink)
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Also you may have a leak in the valley pan.
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Old 02-26-2009, 07:23 AM   #12 (permalink)
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as for the running of the car, i'd say its ok.
no theres no muck in water, atleast what i can see from water expansion tank, usually you see bubbles in water tank, but havent tried that yet, but water looks pretty clean..
maybe i can buy a stop leak, for the water system of the engine, so if there is a leak somewhere it'll stop it?
whats the valley pan?
you mean under car, oil pan?
checked oil dipstick, all ok, oil is very clean, no signs of water, just changed it of course.
cracked head???? thats all i need....
head gasket, that could be a prob, but the car should show symptoms for both of these problems..
anyway, im calm yes but a little worried thats all, it means big bucks, which i dont have atm...

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Old 02-26-2009, 07:37 AM   #13 (permalink)
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Has it ever overheated on you? Basically, if it has ever gone past the middle mark on your gauge, would be considered overheating. If these cars EVER go past the middle mark, you have an issue somewhere. I just warn E34 owners because I had to spend $2300 on a stupid mistake I did (had other stuff done at the time, InspII, waterpump, etc) , driving with it above the middle mark, trying to get home. I had a slightly warped head due to overheating and blew a head gasket. If there is a small leak between the coolant passages and the combustion chamber, it would burn the coolant making the white smoke. Are you loosing coolant? Give that a check. Also if you have (or can borrow) a compression tester, remove all the spark plugs and check out compression. Hopefully you have some other cheaper issue than I had.
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Old 02-26-2009, 02:43 PM   #14 (permalink)
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Question

no not losing coolant at all...
as for temp, always on middle, no overheating..
the car runs perfect i'd say. thats why i dont understand this prob....
ill get compression checked, thats my next thing..
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Old 02-26-2009, 05:22 PM   #15 (permalink)
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I just read the directions to that engine flush you used, Nulon....The main ingredient in that flush is KEROSENE.....The directions said to use 1 bottle per every 5 liters of engine oil, it said to add to oil & run engine for 10 minutes & then drain oil while warm....
My thought on this, is.....maybe when you drained the oil you did not get all the KEROSENE FLUSH out & whatever flush was left in the engine mixed with the new oil thus thinning it out & in this thin state the oil is rinsing past your piston rings, thus causing your smoke problem.....
If I were you, I would definitely run the engine warm & drain the engine oil again.....& being the OCD kind of person I am, I would probaly do this a couple more times...
I have heard some real negatives about engine flushes.....
Just drain that oil....
I would pick up some cheap oil, enough for 2 oil changes, run the engine warm & dump that oil twice....then I would use the recommended oil & replace the oil filter, the one that's in there now is probably contaminated.

Just my 2 cents....
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