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Certainly appears that the factory fill can last the full 9-10K that the car suggests with that TBN. I will likely run mine all the way out till the car tells me its time and hopefully I can get a sample from the drain to see what Blackstone has to say when the time comes.
Thanx everyone for sharing your analysis info!
Things definitely seem smoother than they do on N14/N18 reports, that's for sure. Blows my mind that they'd call for 12-15k changes on those cars. Even 10k is a stretch.
It is your privilege to change your engine oil every 1K but I believe its a waste of money and not the best environmental practice to reduce waste.
II go with the OEM specs and I cannot be wrong.
The OEM maintenance recommendations are intended to get a car through its warranty period and that is all. This is why my Toyota, for example, has no maintenance interval at all for the transmission oil. It's "lifetime." That's nonsense; I and many others have drained that oil and it's awful when it comes back.
Back to the high molybdenum content: Any time an engine is built, it's necessary to grease the bearings, usually with molybdenum grease. You use a sticky grease which will keep the bearings lubricated until the engine breaks in a bit and the oil circulates. This molybdenum grease seeps out of the bearings (as it should) and into the motor oil. That's what I think we're seeing, not special break-in oil.
