GODIAG GT109 DOIP-ENET Diagnostic Progarmming Cable for Vehicles Supporting DOIP Protocol. GODIAG GT109 Doip ENET Can Support ManyFor BMW Vehicles GODIAG GT109 DOIP-ENET Function Support diagnostic progarmming and coding for BMW Benz, for Vol-kswagen, for Audi and other vehicles that support DOIP protocol.