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The BMW Range
5 Series
E60, E61
Engine oil
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<blockquote data-quote="astroboy" data-source="post: 297687" data-attributes="member: 4527"><p>The N52 is running an "on-demand" engine oil circulation system, meaning oil will not be channeled up onto the head at all-time, by cutting out the pump, the engine gain another 3hp. Kind of scary to learn about the system!! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite9" alt=":eek:" title="Eek! :eek:" loading="lazy" data-shortname=":eek:" /></p><p></p><p>Heat can built up on the top if we drive hard and by the time the pump is activated, it's like pouring oil onto hot pan, the result is evaporation! So oil top up is necessary at a fix interval.</p><p></p><p>N46 on the other hand, is still running a traditional engine oil feed system, so its running all time which will not only cools the engine better, but keep lubricating the engine head at all time, at an expense of 3hp..</p><p></p><p><span style="color: Magenta">[Disclaimer: The above are all hear-say, so I'm not sure..]</span></p></blockquote><p></p>
[QUOTE="astroboy, post: 297687, member: 4527"] The N52 is running an "on-demand" engine oil circulation system, meaning oil will not be channeled up onto the head at all-time, by cutting out the pump, the engine gain another 3hp. Kind of scary to learn about the system!! :eek: Heat can built up on the top if we drive hard and by the time the pump is activated, it's like pouring oil onto hot pan, the result is evaporation! So oil top up is necessary at a fix interval. N46 on the other hand, is still running a traditional engine oil feed system, so its running all time which will not only cools the engine better, but keep lubricating the engine head at all time, at an expense of 3hp.. [COLOR="Magenta"][Disclaimer: The above are all hear-say, so I'm not sure..][/COLOR] [/QUOTE]
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