OTOMAX Ultra Euro Motor Oil is a unique formula of synthetic oil provides exceptional engine lubrication and performance. It is an advanced synthetic formula designed to exceed the most car manufacturer standards and engineered to keep engines closer to factory clean. This oil includes the appropriate levels of anti-wear additives and low ash content to ensure compatibility with the latest diesel particulate filters and emissions equipment. This oil is ester-based, an upgrade over base stocks and other motor oils for these vehicles--providing additional protection against wear and instability at high temperatures, this ensures a better protected, more efficient engine, which delivers premium performance.