ACEA A1/B1, API SL/CF, FORD M2C913-B, BMW LL-01 FE, ILSAC GF-2, OPEL High technology semi-synthetic engine oil formulated from severely refined base oil combined with a high level of synthetic components to give outstanding performance under the most arduous conditions. Optima Vimax ZT 5W-30 provides the vast majority of the advantages of a fully synthetic lubricant. This product is recommended for use in Ford Zetec engines and provides significant reductions in fuel consumption.