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).
An example would be vehicles modified by tuning and manufacturing company RUF, which specializes in Porsche-based vehicles.  If a vehicle is a RUF modification of a Porsche, the WMI will be Porsche's (WP0), but if it is built by RUF, its WMI will be RUF's (W09).