You can download BMW INPA 5.0.2 (last version, includes NCSExpert and WinKFP) software here: http://down.eobd2.fr/bmw-inpa-502.zip (this set is fully tested by me).
Unpack INPA and run Programminstallation/setup.exe
1. Choose language:
2. Select "I accept agreement" and click "Next":
3. Next step:
4. Next step:
5. Next step:
6. Next step:
7. Next step:
8. Next step:
9. Next step:
10. Next step:
11. Next step:
12. Next step (select STD:OBD even if you have DCAN cable) :
13. Next step (select COM port that your cable plugged in):
14. Next step:
15. Next step (click "skip" 3 times):
16. Next step:
17. Next step (restart your computer):
Ediabas OBDII Interface with RS232:http://www.eobd2.fr/ediabas-obdii-interface-for-ediabas-inpa-software-connects-to-rs232-1136.html
How to setup BMW INPA Ediabas software
原文：http://www.cnblogs.com/eobd2/p/4262882.html