OPTIMA ECO is a high-quality synthetic engine oil characterized by low sulfated ash, phosphorus and sulfur content (low SAPS). It is recommended for use in all modern passenger car petrol and diesel engines meeting the EURO 4, EURO 5 and EURO 6 exhaust emission standards. The product is compatible with diesel particulate filter (DPF), as well as with the catalyst system. Optima Eco can also be used in vehicles with pump-line-nozzle (VW 505 01) system. Drain interval: according to the engine manufacturer recommendations.