Re: BF1 why CPU is running 100% all the time

Hello @Mark_Markov_BG

Multiplayer in Battlefield 1 requires a lot of resources of your CPU.  I think DICE improved "Netcode" in Battlefield 1 and it can cause high CPU usage in Multiplayer mode.  You can try to change your "Framerate Limiter" in Video Settings>>Advanced tab,  to change the CPU usage.

Also, as you said you have i3 6100 and yes this CPU is not for Battlefield 1. It can be another reason of high CPU usage.