GNU/Linux Debian Stretch Installing Broadcom BCM4360 Wireless Driver Guide
How to Install Broadcom BCM4360 Wi-fi/Bluetooth Driver on Debian Stretch 9 GNU/Linux – Step by step Tutorial.
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 Debian 9 Broadcom BCM4360 Driver Installation Guide