Quote:
Originally Posted by Olgeezer1
Ah, oil discussions. Well, I like a true Group 4 synthetic, LL01BMW approved. So for the N/A car I use the German Castrol 0/30 and for the turbo car my choice would be the Belgium made Castrol 0/40. Don't know where BMW's 5/30 is made but if it's in North America I doubt it's a true Group4 synthetic. Decent oil no doubt but American oil producers get to play fast and loose with their advertising which the Germans don't allow.
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Castrol 0W-40 is actually made in Germany now and the 0W-30 is made in Belgium.