Hi Dean,

From the Audi TSB 170824 about 502.00

"From model year 2005, all Audi engines must always use engine oil that expressly conforms to Audi Oil Quality Standard VW 502 00 (with viscosities of SAE 5W-40, 5W-30, 0W-40)."

502.00 approval is the import... Login to read more.