[update]Multi Tool For BMW newest update to V7.4


BMW Multi Tool V7.4 Update :
1. Fix the error that BMW CAS3+ smart key not work after generation. 
2. Key learning -> fix up smart key change, enable to fix the error that smart key not work.
3. Fix the error that EWS generate dealer key but sometimes not work. 
4. Fix other bug

Related link:

http://www.OBD2shop.co.uk/wholesale/latest-version-multi-tool-key-programmer-for-bmw.html