Right-click on a slot (e.g., MUS_RACE_01).
Select "Import Audio".
Browse to your MP3 file.
Crucial Dialogue: A window will pop up asking for "Encoding Type." Select "Game Default (PCM 16-bit / 44.1kHz Mono/Stereo)" . Do not use high compression unless you know what you are doing.
Not interested in manual editing? The community has created "Music Replacer Packs" that you simply drag-and-drop into your install folder. nfs carbon music replacer
Popular packs for NFS Carbon:
Warning: Always virus-scan pre-made .bun files from unknown sources. Right-click on a slot (e