Test function? Read faulty code ?clear faulty code ?data stream .activate state?programming ?component test ?maintenance data information ?components location ?wiring diagram etc….,TIS AND DIS ARE SUPPLY all of system diagram of all of BMW car, Components location, maintainence method and coding information etc. Can do completely of Bmw car system 1. GT1-SCAN Pro mainbody 2. Rechargeable socket (seat) 3. Power cable 4. Diagnostic interfece case 5. Extension cable 6. GT1 for vehicles with 20pin diagnostic connector 7. GT1 for vehicles with OBII diag nostic connector Latest diagnostic version of software