04-16-2016, 05:13 PM | #24 |
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That's German car's tradition
Mine is 2014 F10. First year is good (topped up once around 10k miles), started from 2nd year, have to do this every few month (3-5k miles). I think oil consumption also related to weather and engine work. |
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04-17-2016, 11:42 AM | #25 | |
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Both 2013 and 2015 burn oil, depending who you ask. Lifting off the throttle at high RPM (engine braking) creates negative pressure in the compression chamber and cause the most oil burn. All newer engines have low friction piston rings, which is the main cause of oil burns. A small percentage of oil also escape the PCV valve, which enters the intake under high accelerations. The M3/M4 S55 engine makes more power per liter and have no issues with burning oil. I think the S55 uses different piston rings technology and I know they have an oil catch can built-in that recycles blow-by oil. Perhaps the next gen M5 will adapt this technology.
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04-17-2016, 12:09 PM | #26 | ||
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Drives: '14 F10 M5 Alpine White ZCP
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04-18-2016, 11:50 PM | #27 | |
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