Original Xhorse BMW Multi Tool key programmer software has released to latest v7.7. V7.7 software can be download for free here
http://www.chinaautodiag.com/download/bmw-multi-tool-7.7.zip
BMW Multi Tool V7.7 Update tips: 1. Hungarian language added 2.5M48H file change mileage bug fixes 3.Wehn OBD reads key information, get remote frequency support and determine 315 LP Type 4. Other bug fixes
How to update BMW Multi Tool CAS1 CAS2 CAS3 CAS3+ key programmer to V7.7
Note: Help->Device Update. You can get the latest software version and firmware version when you can access to internet.