This is newest version of XPROG-M ECU Programmer. XPROG-M V5.5.5 is the only tool can decryption BMW CAS4, hard disk and USB Dongle.

Newest XPROG-M V5.5.5 X-PROG M BOX V5.55 ECU Programmer with USB Dongle Especially for BMW CAS4 Decryption

5 Highlights to Get Newest XPROG-M V5.5.5:

1. This is the only version XPROG-M can decypte new version BMW CAS4.
2. hard disk and USB Dongle, more convenient and secure.
3. Add new authorization: AUTH-0025 Authorized 11/4/2014
4. Latest software version: V5.5.5
5. High quality with one year warranty.

http://www.eobd2.fr/xprog-v555-x-prog-m-box-with-confidential-dongle-especially-for-bmw-cas4-decryption.html