G05 257 9M4 · engine oil Audi genuine (OEM) part number G05 257 9M4, engine oil. Fitted on (3)ENGINE OIL — pos 2 (KAT429.BIN)ENGINE OIL — pos 2 (KAT838.BIN)ENGINE OIL — pos 2 (KAT859.BIN) Open the interactive exploded diagram →