This is a gameconfig.xml that does two following things:

1. Fixes crashing while loading mp maps on a modded game due to low limits (this is the reason why Open Interiors v5 isn't working for you guys) - credits to _CP for fixing this
2. Fixes melee AI so that when multiple opponents are fighting they act a bit less dumb - there will be less waiting for NPCs to attack with melee, more NPCs will fight melee at once as well. Credits to InfamousSabre for discovering this

Installation:
mods\update\update.rpf\common\data

NOTE: If you're NOT on biker's update then don't use this as it might break your game. And vice versa - if this mod is outdated while you're reading this, wait for an update.