10-06-2013 08:35 AM
A couple options... go to your Options > Advanced > Applications and delete BBMessenger from there.
If it is not shown in the list, you will need to connect your BlackBerry to the PC and run the Desktop Software.
Find the Device > Applications: scroll through to find BBM and mark it to delete and follow the remaining prompts to complete.
PIN: C0001B7B4 Display/Scan Bar Code
PIN: C0005A9AA Display/Scan Bar Code