 If the performance specialist is the manufacturer then its WMI identifier will be in the VIN.An example would be vehicles made or modified by tuning and manufacturing company RUF, which specialises in Porsche based vehicles.In general, if the RUF vehicle is a RUF modified Porsche then the WMI will be Porsche's (WP0), but if it is built by RUF then its WMI will be RUF's (W09).