Quote:
Originally Posted by swamp2
I don't see the point of any skepticism of this claim by SFP. BMW clearly did some optimization work (arrived at a true global optimum across all or even many variables, probably not) in the oil system and they did so using the specified 10W-60 oil. The statement is almost a tautology...
Now that being said, the system is also inherently robust to changes in viscosity - it must be since oil viscosity changes with age, temperature, contamination, etc.
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Well then I'll ask you the same question I asked him. Do you have any data to back that up? And can you describe what those optimizations might be (with data to prove it)? I hope so or else your other dings for people who lack evidence rings hollow.