The South African manufacturer of the GS911, Hexcode, released a new version of the GS911 called the GS911 WiFi into the US market last year. Check ToolsPatrol for expert advice on tools. It is the Swiss Army knife of diagnostics for BMW owners. It works the same way that an obd2 scanner works for the car.īMW owners have long had the GS911 to carry as a diagnostic tool for the intelligent ECUs fitted to their machines enabling diagnosis in the workshop via USB interface and out on the road via bluetooth to mobile devices. Now you can get engine faults sent to your smartphone via wifi, reports Wayne Carruthers.