This is a fully synthetic engine oil designed to meet the demanding requirements of engine manufacturers, especially for heavy-duty Peugeot and Citroën engines and engines requiring C2 grade oils. Shell Helix Ultra Professional AP-L 5W-30 is suitable for petrol and diesel engines fitted with a particulate filter, meeting the advanced Peugeot B71 2290 technical standard (for models from 2017 and earlier). This oil has been specially developed for modern Peugeot vehicles with a particulate filter. For models manufactured after 2018, Helix Ultra AP-L 0W-30 is recommended. Please refer to your vehicle's owner's manual.