Mobil1 ESP Euro 0w30 and BMW E46 or E90 engines

Quick question: Is this Castrol as highly regarded as the 0W-30 A3/B4 blend, thanks for any replies!

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Quick question: Is this Castrol as highly regarded as the 0W-30 A3/B4 blend, thanks for any replies!

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Yes. The 0W-30 and 0W-40 PAO percentage and additive formulation is virtually identical. Except for the difference in viscosity they are nearly identical. Both can be used interchangeably.

In fact, for the 7 quart sump on our E90 I sometimes refill with 5 quarts of 0W-40 and 2 quarts of 0W-30. In our VR6 Passat's 6 quart sump I always refill with 5 quarts 0W-40 and 1 quart of 0W-30.

Scott
 
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I run Mobil 1 ESP 0W-30 in my 2012 E70 X5 M57 diesel (essentially same engine as in the E90 335D) and my daughter's 2017 X3 35i with the N55 engine. No issues. No oil leaks. No oil use. I change them both at ~5000 mile intervals.
 
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