GNU/Linux Kali 2020 Installing Broadcom BCM4360 Wireless Driver Guide
The linked tutorial shows you step-by-step How to Install Broadcom BCM4360 Wi-fi/Bluetooth Driver on Kali GNU/Linux 2020.
The Package Provides the Source Code for the wl Kernel Modules and makes use of the DKMS Build Utility to Install them for the Running Kernel.

GNU/Linux Kali Broadcom BCM4360 Driver Installation Guide