Carlube 5W-30 R-Tec 23 is a reliable and durable engine oil that provides strong corrosion and wear protection to key engine components and maintains a clean, high performance engine. Meets PSA B71 2290 (2014) specification through outstanding performance test results whilst ensuring engine cleanliness and protection. Suitable for all Euro 4 and Euro 5 cars with a diesel / gasoline engine. Helps to protect the environment from harmful air pollution and contributes to cleaner air quality.