Fully synthetic oil for petrol and diesel engines (with or without particulate filter) requiring oils meeting 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 revs, helps save fuel and reduces exhaust emissions.