Thing is, Schism, Craig, and Pablo are all right ... but being right has nothing to do with it. Auto manufacturers are paying dealer service departments less and less and less hours for warranty repairs these days. Why do we think a dealer wants to deny a claim? If the factory will pay them X hours for a particular covered item but a customer will pay them 2X for the same repair then a service department has every incentive, irregardless of "what is right". I do not agree with this policy but that is the way it is. In my opinion, it is the mechanic that gets screwed in the end. I don't know how a young mechanic can make it these days ... having to pay for their own tools and then having to fight for hours on repairs.
Anyhow, there are many factors to why it is a much safer bet to just use an oil on VAG's "list". With me following a 3k OCI it won't matter if I am using Synthetic Crisco ... if it is on the list. I will continue to use AMSOIL on my other car and when my Gti is out of warranty I will begin using it then too. As I mentioned in the initial post, this was not a bash AMSOIL vent ... but rather a situational vent. I like and use AMSOIL products and wanted to use them for this car. I wanted to get a "real" answer from the horse's mouth but feel I got deflection. Because of that, I have nothing definitive to base my decision on. Without something from AMSOIL, in writing, about the 502 spec I cannot use their oil in the Gti.
James