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BMW E39 5 Series 1997-2003 (525i, 528i, 540i, M5, sport wagon) exhaust smoke at start up


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Last Post: Dec 17, 2016 2:44 PM Last Post By: Hasso
retiredbimmer

Posts: 1
Registered: 12/02/16
exhaust smoke at start up
Posted: Dec 2, 2016 11:00 AM
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My 2002 525i (127,500 miles) recently started emitting blue exhaust smoke on start up only. Noticing a small oil leak from the engine. I would like to know likely scenario's so the local mechanic just doesn't start swapping parts.

Thanks for insights.
Hasso

Posts: 503
Registered: 12/09/03
Re: exhaust smoke at start up
Posted: Dec 17, 2016 2:44 PM   in response to: retiredbimmer in response to: retiredbimmer
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Most common is the crankhouseventilation is stocked or the returnpipe from the ventilation in the oillevelpipe is full of dirt.

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