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The BMW Range
5 Series
E39
Which Lubricant/Engine Oil to use?
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<blockquote data-quote="BMW2007" data-source="post: 363578" data-attributes="member: 4659"><p>not much of info, just a chat with mechanics. Try to read Dr. Paul’s blog (Degree in Mechanical Engineering from University of Alabama in Huntsvilleille)</p><p></p><p><a href="http://jpautoworkshop.blogspot.com/2009/03/playboys-ride-bmw-325i-e46-one-of-most.html" target="_blank">http://jpautoworkshop.blogspot.com/2009/03/playboys-ride-bmw-325i-e46-one-of-most.html</a></p><p></p><p><em>"My take on this minor seepage was that, the previous owner has been using synthetic engine oil on a 130,000km car, which may be the root cause. Synthetics are excellent penetrants, especially when the temperature is raised up. I replace the oil with 50% Fuchs CEF (Molybdenum) and 50% Fuchs Racing to soothe the intensity of the CEF's solid lubricant additives. The underside of the engine is then flushed clean, and subsequent test drives reveal no leaks."</em></p></blockquote><p></p>
[QUOTE="BMW2007, post: 363578, member: 4659"] not much of info, just a chat with mechanics. Try to read Dr. Paul’s blog (Degree in Mechanical Engineering from University of Alabama in Huntsvilleille) [url]http://jpautoworkshop.blogspot.com/2009/03/playboys-ride-bmw-325i-e46-one-of-most.html[/url] [I]"My take on this minor seepage was that, the previous owner has been using synthetic engine oil on a 130,000km car, which may be the root cause. Synthetics are excellent penetrants, especially when the temperature is raised up. I replace the oil with 50% Fuchs CEF (Molybdenum) and 50% Fuchs Racing to soothe the intensity of the CEF's solid lubricant additives. The underside of the engine is then flushed clean, and subsequent test drives reveal no leaks."[/I] [/QUOTE]
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Which Lubricant/Engine Oil to use?
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