Eni i-Sint FE 5W-30 (yellow label) is a fuel-saving multigrade engine oil for modern cars that provides extra protection for particulate filters. This engine oil meets ACEA C2 requirements, which ensures lower fuel consumption compared to ACEA C3. But: this engine oil can only be used if ACEA C2 is specified in the operating manual! This type also meets the ACEA A5/B5 and Fiat 9.55535 S1 specification.