1) You don't see the bpost delivery methods despite the fact that they are well enabled?

Be sure that the bpost_SHM output is well enabled :

Go to System >> Configuration >> Advanced

2) You 're experienced issues with maps/localisation of bpost delivery points

  1. First of all, make sure that you didn't exceed the standard limit usage of google map api. More info here 

  2. Make sure that the Javascript merging is disabled :
    System >> Configuration >> Developer