I will say this and it is just my opinion, I have several scanners, from Launch scanpad, to OTC , to oem C3 Xentry -DAS Mercedes multiplexer,BMW - SSS,DIS,PROGMAN, E- esys,Ford IDS,JAGUAR SDD, and more. I will say the Maxysis is by far the fastest and most convenient unit and for the money it can't be beat. I have used it on BMW,FORD,JAGUAR,MERCEDES,LAND ROVER,AUDI,and it has always guided me and allowed me to do variant coding, to retrieving oem codes, to configuring keys, looking up pin codes, doing EWS,-CAS realignments,steering angle calibrations, both electronic and active platforms. It has allowed me to be more efficient by multitasking. It is fast,its not perfect, but I can tell you that when comparing apples to oranges it leaves most in the dust. i was just told by a Snap on guy that BMW,AND MANY OTHER MANUFACTURERS may be or may have joined FORD to sue Autel. Now if this unit wasn't so damn good why do you think they are so frightened and angry? Many other scanners out there that use similar layout as Autel ,but I havent seen then go after those companies....My advise is to use it,get very very familiar with it. I have had mine almost two years and it paid for itself over and over...This is just my opinion...and I approve this message...lol