Schaeffer oil meets this standard and if you order it from their factory distributor runs about 13. 50 a gallon. Also MOTUL, and the european version of Castrol, which VW uses. I have an 05 TDI Passat and 06 TDI Jetta, so far only had the Passat oil changed and only at the dealer. I have heard of people being denied on warranty for running the wrong oil, they will sample if any lubrication caused failures are claimed on warranty.