you can have realtime programming with crome, no problem, datalogging is kindof hard tuning with crome, because the program doesn't have a datalogger with it, i can send you somewhat of a good datalogger created by John cui that logs some good things, if u dl crome pro datalogger comes with it, but the ecu after our tuning will already be setup for it.. come on guys i need money for christmas and people charge out the yingyang to do this shit!!