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API Oil Rating


Vehicle Information: Year: 1988; Engine (size, modifications): 5.0L; Total Mileage: 35500; Transmission type: Autotomatic;

The new Mobil 1 Extended Performance 15W-50 meets the following industry approvals according to their website: ACEA A3, B3/B4 API SL It also meets the requirements for diesel powered vehicles where API CF or CD oil is recommended. The 928 manual call for API CE or CF. Is this new rating OK to use in my 928S4?

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