Battlefield 4 is mostly a server sided game that being said there are very small amounts mods that can be done by the user. I recently uploaded a tool for everyone to use give that a try and see how you like it
If you need any help creating your own tool I'll help you out in anyway I can. Here is a link to the updated version of my tool since they closed my post I'm no longer able to update it from there but here is the link:
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