US Castrol Syntec 5w30 is not LL01. The German Castrol Syntec 0w30 and Mobil 1 0w40 are. I just use the BMW full synthetic 5w30. It’s not that expensive compared to the others.

drs

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2003 X5 4.4 sport, nav, premium, cold weather, rear climate, PDC, rear air bags, sliding load floor, xenons....