So far in 7k miles my M760 has been flawless, which is good because I did not have the option of purchasing a warranty for it when I bought it earlier in the year.
I will not exceed 10k miles on the oil on mine either, probably will aim for less. This engine creates more heat than any I've ever been around in my life, even in sub-freezing weather it seems to reach full temp in minutes, and even after relaxed driving it remains hot for hours. I can only imagine how hard that oil is working. In fact mine will be changed next week ahead of what the car is telling me me to do. I've had it for almost 7k miles already and I have no idea when it was changed before I bought it.
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