So with the cascade of leak recently it seems one of the biggest issues is the loss of BBM, whether it is the 4.7 or the 5.0 version. Well to help in this issue we have consolidated the OTA links for BBM in this thread.
These are OTA (over the air links) you will want to click on these links with your Blackberry to install to your phone.
If OTA is either not working for you or you feel more comfortable installing through the desktop. Use the below the link which includes all the above BBM versions. Once downloaded just extract the one you needs and run loader.exe and install on your phone.