Maybe I am out of the loop on this. When did M1 0W-40 FS get LL-01 approval again, was it associated with a formulation change?
Mobil 1™ FS 0W-40| Mobil™
Mobil 1™ FS 0W-40 motor oil is the result of decades of collaborative development with major car manufacturers and the application of the latest lubrication technology. It helps provide unsurpassed performance under very demanding driving conditions.
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