It isn't better. BMW doesn't refine oil. They label others' production. In the USA, MobilOne 0w40 [Euro formula], which meets the bmw LL01 standard, seems to be most common. Its what I have used on bmw and gas benzes for years.
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2006 X5 3.0 6-spd w/Evo UUC ssk
sport/premium pkgs
born Valentine's Day, 2006.
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