Optima ECO Plus is a synthetic engine oil meeting the most stringent passenger car petrol and diesel engine requirements. It is intended for use in engines complying with EURO 4, EURO 5 and EURO 6 exhaust emission standards. It can also be used in vehicles fitted with exhaust gas after treatment system, requiring lowered SAPS (sulfated ash, phosphorus and sulfur) contents. Optima ECO Plus engine oil has been developed for vehicles with DPF filter, belonging to VW, Audi, Seat, Skoda engine group, requiring quality level under VW 504 00/507 00 specifications. It can also be applied in other manufacturer motor vehicles, requiring the a/m quality level.