Originally posted by Lucas_R
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There are many versions and viscosity grades of Mobil 1 - and the only version that has VW 504/507 approval is Mobil 1 ESP Formula 5W-30.
"Mobil 1 5W-30" never has, and never will get VW 504/507 approval (unless it undergoes a significant change in formula) as it's not technically possible to meet certain specifications simultaneously.
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