This is plain and simple not doable under even ontime circumstances.

B6 requires that bags for international departures be checked in no later than T-60. That means checked in and not just in line. This leaves 25 minutes for you to make it from your seat to baggage claim, retrieve your bags, schlep them to check-in and make it to the front of the line.

Even without checked bags, you are taking on 100% of the risk of a no show, including the need to purchase a new ticket on the next flight with availability.

General advice for separate tickets is to fly in the night before. If you are not saving enough to make that worthwhile, purchase the routing on a single ticket and the risks shift to B6.