Reply to thread

Click here to become an Official Member of BMW Club Malaysia Download Form

Message: <blockquote data-quote="t2ribena" data-source="post: 306041" data-attributes="member: 3847">OK lets examine a few points...on how engine oil dissapear either by vaporization or burning...1. the engine is a closed vessel where it has an inlet for fuel and another for air. the exhaust header port is the only exit points2. in case as you said that the oil got vaporized due to on-demand oil pump spraying on very hot components, then the vapours needs an escape route to exit the engine to caused any drop in oil levels...if the oil vapours remains in the engine then when it cools down it will be converted into liquid again thus no oil is lost theoretically...3. the only exit route is then between the cylinder head liners and the cylinder sleeve, and once in here only can the vapours exit thru the exhaust port...but this is questionable as the oil on the cylinder head and sleeve would provide a tight seal that does not allow any vapours to exit.4. another route is via the valve seal but unless this is damaged then very little chance of this happening....5. even if the vapours got thru then when it reaches the cool area on the exhaust pipe then it would be converted into liquid form again thus this would caused the normal 'wet' exhaust pipe...IMHO loss of oil is very minimal in the form of vapours with the points above unless there is a special hole on top of the engine covers that allows the vapours to exit... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick Out Tongue    :p" loading="lazy" data-shortname=":p" /></blockquote>

Verification