I'm new to this elfen magic stuff, but what can you tell me about the following 0W-30 Castrol Syntec find at an AutoZone? 1) The # on the bottom was M01311xxx.... 2) I couldn't find "Made in Germany" anywhere on the bottle. 3) The bottle's style was "squarer" than the GC (M052xxx...) bottles along with it. 4) It didn't mention any specific numbers, but it did have a generic statement about meeting BMW and M-B requirements. 5) The color combo was unlike any GC bottle I've seen before. 6) It said "Not for Sale Outside North America". From what I've read, am I correct in assuming this is not GC, much less green?