OBD2 AC Tools for BMW is a free diagnostic tool developed by TJSAPPS for Android devices. It is a comprehensive diagnostic tool that provides users with a range of features to diagnose and repair their BMWs. The app includes AC module control reset, AC blower on/off with different speeds, AC refrigerant on/off, radiator fan on/off, steering angle reset, clear trouble codes, battery change, brake bleeding fix, brake initial startup, brake replacement, brake service reset, DPF regeneration of diesel particulate filter, injector adjustment, oil reset, throttle sensor reset, and TPMS reset. The app supports clearing check engine light on all BMW models up toIt covers a wide range of BMW models from E23 to I01/I12. The app is easy to use, and its interface is user-friendly. With OBD2 AC Tools for BMW, users can perform a wide range of diagnostic tests on their BMWs and save time and money on repairs.