View Here : Volkswagen Oil Standard 502 00
If possible, use only Volkswagen-approved engine oil . To maintain the LongLife Service, only approved LongLife engine oil in accordance with the corresponding VW standard may be refilled (). The engine oils listed are multigrade high-lubricity oils .
The VW 502.00 oil spec is the bare minimum oil for the 1.8T engine. The VW/Audi 503.01 oil spec supercedes the older and less stringent 502.00 spec, and provides for an oil that is far more robust in every measure.