Volkswagen (VW) Specifications
Volkswagen issues their own sets of requirements for service fill engine oils used in their vehicles. These specifications detail the viscosity grades, ACEA oil sequence and additional physical, chemical and engine testing that must be conducted in order to obtain an approval.
There are separate specifications for gasoline and diesel fueled engines and for different applications of each type of engine. Approvals are only granted for engine oils which meet combinations of these specifications as defined by Volkswagen. All applications for approvals against Volkswagen’s specifications are made directly to Volkswagen following their approval procedure.