Quote:
Originally Posted by Flying Ace
Engine blows up...haha, Likely okay I presume. It's their replacement OEM oil. I would assume that formulas were changed to add better friction additives or other improvements. But the specs posted earlier indicates its very similar to the outgoing oil. Castrol even made minor improvements when they relabeled TWS to Edge Pro two years ago.
I just found out that Castrol is being booted in favor of Shell/Valvoline oil for all other models as well. My X5's engine oil is also no longer Castrol.
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... Which suggests it's a commercial deal rather than any specific improvement