PROFI-CAR SYNTH-TECH FS SAE 5W-40 is a fully-synthetic high performance engine oil of SAE class 5W-40.PROFI-CAR SYNTH-TECH FS SAE 5W-40 is the ideal high-performance low-friction engine oil for demanding engines. It is used in petrol and diesel engines in passenger cars, including models with turbocharger and direct injection. The product is recommended for all operating conditions.