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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 10-05-2014, 02:25 AM
splodge01 splodge01 is offline
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BMW e39 528i smoke at take off

Everytime I take off from rest in the car, only when its warmed up properly, some blue/white smoke is apparent from the exhaust. It's not constant, it does go away after a while. Sometimes it does do it at idle, and other times it doesn't. There is also an oil leak coming from somewhere under the Inlet Manifold. The engine has been rebuilt and run in properly, there used to be a lot more smoke. Could this be a failing PCV Valve?
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Old 10-05-2014, 07:39 AM
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sounds like a bad CCV to me. I would get a flashlight and check your intake for sludge.
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Old 10-05-2014, 10:21 AM
hans747 hans747 is offline
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What he said! If that's not it, I've seen similar conditions when an injector is stuck open. Basically one cylinder gets too much gas, which eventually makes it's way to the oil. The resting dilution means you get oily starts. Sounds weird, I know. Take a whiff under the oil cap. If it smells gassy, change the oil. The symptom comes back later.

How did my friend find the offending injector? No clue. That was a long time ago.
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Old 10-05-2014, 03:04 PM
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Smoke at takeoff?

What about landing?
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Old 10-05-2014, 03:12 PM
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Quote:
Originally Posted by AnotherGeezer View Post
Smoke at takeoff?

What about landing?
You always seem to have the best answers
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Old 10-05-2014, 06:03 PM
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Bad ccv? Possibly . But if you have a oil leak from the valve cover then you also have a vacuum leak. Since the ccv is basically a connection point between the intake side and the crankcase side any leak on the crankcase side = a vacuum leak on the intake side. Also with the vacuum being affected it screws up the proper operation of the ccv and one of the symptoms is excess oil consumption and smoke from the tail pipe.
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Old 12-12-2014, 06:02 AM
splodge01 splodge01 is offline
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Last edited by splodge01; 12-12-2014 at 06:04 AM.
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