[mtechnik3]

Originally Posted by 742

That would be the 0W-30. The Castrol Syntec 5W-30 sold in North America has no BMW approvals. On the other hand the 0W-30 has pretty much everthing; BMW, MB, VW and on and on.

I stand corrected, and also edited my post. Here are some pics of German vs Domestic Castrol 0W-30. I've heard great things about the GC 0W-30. I believe it's carried by AutoZone here in the US.
How can you tell the difference? German first 3 pics, domestic last 3 pics.

[lkn]

I only go with BMW Synthetic Oil.