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-   -   Smoking problem: Fixed (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/103801-smoking-problem-fixed.html)

Emory39 06-05-2019 10:14 AM

So I went over that thread, and what i got from it is that I might need to remove the valve covers to better clean the ccv "cyclone separators" on the underside of the valve cover. And replace the ccv valves again beacuse I noticed that the inner seal have a small piece of it mising.


Will that be the best way to follow the diagnosis?

stiubhartach 06-05-2019 10:42 AM

The 'cyclone' oil separator is in the M62 engine. Your N62 engine has a simple valve built into the head. There's no cyclone underneath.



The correct way to clean the valve is to remove the valve cover. I was lazy and cleaned mine by blowing carb cleaner down the hole and into the engine. Then I immediately changed the oil. This is NOT the correct way.







Here's more info with a good explanation of failures:


https://www.meeknet.co.uk/e31/BMW_M6...entilation.htm


Underside of the valve cover:


https://i.ebayimg.com/images/g/8lAAA...rp/s-l1600.jpg


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