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  #1  
Old 01-07-2010, 12:16 PM
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Oil leak right hand side cold weather

Hi.

This afternoon, i was going to the hospital to insert a tooth implant. I was a bit late because of low temperatures and ice on the windows.


While driving to the hospital, (a 15 min ride), i noticed after about 10 minutes that i was leaving a massive trail of smoke...

I didnt notice any difference of how the car was behaving, and the temperature was still about halfway between cold and 12 o'clock.


I pulled over and got out.. I checked the tailpipes, and could see that there wherent an unusally amount of smoke coming from the pipes.

I stopped the engine and popped the hood, and a lot of smoke emerged.


As i was in a hurry, i didnt have to much time to check out the symptoms, but i could see oil spill on top of the ac compressor, also some on the panel under the spark plugs..

As you can probably tell, this is on the right side of the engine..



It was cold in the area when this occured, about -10 C, or 15 F...




Does anyone have any tip.?
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Old 01-07-2010, 01:19 PM
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This is very likely the "oil separator" or "crankcase vent" freeze up issue causing your crankcase to pressurize and blow oil out the valve cover gasket.

For all those that say this is an uncommon failure, why do we keep seeing posts like this every winter?

Refer to the following post which has some PDFs of the Service Buletins for the Crankcase Vent freeze up issue.

http://www.Xoutpost.com/bmw-sav-foru...under-cpo.html

Also, I would not recommend driving at all with the issue you described. Get it looked at ASAP. Where there's smoke, fire is not too far away. Valve cover gasket leaks have caused fires as the oil comes into contact with the hot exhaust manifold.
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Old 01-07-2010, 01:34 PM
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Hi.

Tanks for the reply.

Just realized that i forgot to mention that this is a 3.0 litre..

Do they have the same problem.??

I saw some post about the problem you describe.

I guess this is not the worst problem regarding costs..?

I parked straight away and got in a taxi.. The car has been towed to the garage, and should be checked tomorrow..

IS this a big job.?
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Old 01-07-2010, 01:55 PM
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I don't know what happened. However, I did had both of my front weatherstrips replaced by the dealership at no cost.
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Old 01-07-2010, 01:56 PM
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Yes, the same problem exists on the 3.0L. The Service Bulletin is there for the 3.0L as well.

The extent of the job depends upon where the leak(s) developed. First the valve cover gasket(s) need to be replaced. The parts and labor for that run between $250 -$400. The oil separator and hoses should be replaced as per the service bulletins. That could be around $400 on your engine. If you can, print out the service bulletins from that previous post and give them to the shop. If your vehicle is still under warranty or CPO warranty, then you might have this repair covered.
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Old 01-07-2010, 03:00 PM
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Flatlander is correct...Your valve cover gasket is what leaked the oil..thats the spot where it fails which caused your leak. It happened because your oil seperator is filled with frozen condensation. you need a new Oil seperator and a new valve cover gasket installed asap. Do not drive the vehicle at all until this gets repaired, otherwise you will do catastrophic damage to your engine..
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Old 01-07-2010, 03:58 PM
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Ok...

Thanks for replies again guys.


I guess it will be somewhat more expensive here in Norway, cause the prizes are sick....!!

Can anyone show me where the oil seperator is on www.realoem.com ..? I can not find it..


But, my inital thoughts was a blown head gasket, which probably would be way more expensive with all included....


Ill call the shop tomorrow and see if they have found the problem, and how much it's going to cost me...
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Old 01-07-2010, 04:19 PM
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Nevermind about the part.

I found the part number from the thread flatlander provided.

Unfortunatly, i do not have any warranty..


I checked the prizes here in Norway, and a vent hose, oil sep rep kit, dip stick and a valve cover gasket is gonna run me about 390us for the parts.

Labour will be added to that, and costs about 140us an hour..!!


I just hope that is all the parts i need if it IS the valve gasket that blew..
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Old 01-07-2010, 05:04 PM
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BTW, is there a good DIY writeup on this one.?
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Old 01-07-2010, 05:18 PM
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I just experienced this with my 3.0 2003 X5. I am in the process of writing a DYI specifically for the 3.0 as the location and work involved is slightly different than the DIY on the How to tips in this Forum. I am sure you can't wait for me to get done before you start, but if you go to the How To's on the very top of the screen when you are in forum home page(in between Articles and Gallery) http://www.xoutpost.com/newreply.php...ojs=1#tipsmenu select X5 tips and tricks and then scoll down to you see oil seperator DIY. This instruction is very helpfull but I am adding some more information. Anyway good luck contact me if you have questions as I just got done 2 weeks ago.
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