What kind of oil to use in AUDI A4 2.4 quattro 1999?

For a 1999 Audi A4 2.4 Quattro, it's recommended to use synthetic oil with a viscosity grade of 5W-40 or 0W-40. Look for oil that meets the VW 502.00 specification to ensure optimal performance and engine protection. Always check the owner's manual for any specific requirements or recommendations related to oil changes.