How many liters of engine oil does the A4L require?

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Audi A4L requires 4.5 liters of engine oil. Here are the related details about engine oil for Audi A4L: 1. Reduce wear: There is rapid relative sliding between the piston and cylinder, as well as between the main shaft and bearing bush. To prevent excessive wear of parts, an oil film of sufficient thickness needs to be established between the two sliding surfaces to separate them, thereby reducing wear and extending mechanical life. 2. Cooling: Engine oil helps the radiator cool the engine and expels heat from the engine. 3. Sealing and leak prevention: Engine oil can form a seal between the piston rings and the piston, reducing gas leakage and the entry of pollutants.