Originally Posted By: weasley
Originally Posted By: edyvw
Yeah, and? I think everyone knows that they are 5 and 0W30
Originally Posted By: tudorart
For the 504/507 VW specifically wants 5W30 grade and GrIII base stock. Nothing else gets approved.
Sorry, this was what I was getting at. Clearly not everyone does know this. Also, base oils are not specified in the specs, just performance.
Actually, base stocks are specified in VW brochure: Group III, IV and V, and it must be: 5W30 or 0W30.