BBM+ cydia tweak adds certain functions to BBM that’s impossible with the stock app.
The tweak adds features that are previously impossible for the stock BBM app to accomplish.
Its simple, just install, and go to the preferences panel and disable / enable the parts of the tweak you want enabled.
Go to Settings > BBMPLUS and activate/deactivate some settings.
Configure options from Settings.
If after updating it doesn’t work as intended, rare but possible:
Everything should work fine now.