Intelligent molecules provide more protection than other oils during critical start-up period. Keeps your car at its peak for longer. Grade 10W-40 A3/B3 - using the incorrect grade can damage your car. Refer to your vehicle's manual for the correct grade. Part synthetic. Suitable for petrol engines. Tamper-proof seal. Unsure which oil to buy for your car? Use you mobile phone and text OIL to 83080. Simply enter your cars registration number and you will receive a personalised oil recommendation for your vehicle. Texts are charged at standard rate.