BMW Professional Diagnostic Tool: Complying with all the latest OBDI-OBDII-EOBD protocols, the BD300 can not only read and erase fault codes of the main systems (engine, airbag, transmission, ABS, SAS, SRS, EPB, DPF, TPMS, etc.), but also supports body, chassis, powertrain and all control modules. Helps BMW users save money and time on maintenance or repair. Full OBD Level Diagnostic Function for All Car Brands: Allows you to easily diagnose engine problems and turn off the warning light. Not only can it pinpoint codes and possible causes, but also generate all OBD test modes such as DTC Search, O2 Sensor Test, Emissions & Smog Test, Live Data Stream, Freeze Frame Data, EVAP System Test and Diagnostic Reports BD300 gives you the power to make more informed decisions in the workshop. More exclusive features for all car brands: In addition to all the features of the universal Bluetooth OBD2 scanner, we added performance tests for the first time (vehicle acceleration, braking, distance, PID graph with RPM, VSS, ECT, MAF, etc.). and Trip Analysis, which can record trip status (speed change, RPM, distance, etc.). Not only recognizes the 12V vehicle battery, but also displays the voltage change within a certain time on the device in the form of graphics. Powerful Compatibility: Works with any 1996 and later gas powered vehicle. Supports 8 different languages, more than 60 American, Asian and European vehicle brands and over 10,000 different vehicle types. Compatible with iPhone, iPad and Android devices. The latest Bluetooth 5.0 version allows your car to connect seamlessly with your smartphone, making it easier to read data from the control unit and greatly improving the user experience.