Fully synthetic oil for petrol and diesel engines (with or without particulate filters) requiring oils meeting the PSA B712290 or Fiat 9.55535-S1 specifications. Suitable for the increased demands of certain high-power engines, especially Peugeot, Citroen and Fiat engines. The product uses Shells patented PurePlus technology and Shells unique active cleaning technology. Reduces engine wear, helps save fuel and reduces exhaust emissions.