Thread: 0w20 Oil Concerns
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      05-19-2020, 12:29 PM   #11
TajoMan
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Drives: M240 xdrive, X3M40i
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I run BMW 0w20 in winter and castrol 0w40 in summer.
As an engineer, I should trust their spec but I know sometimes (or many times) engineers pushed by upper management to prioritize wrong things.

I am wondering what S58 engine uses.
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