GNU/Linux Lubuntu Installing Broadcom BCM4360 Wireless Driver Guide
The linked tutorial shows you step-by-step How to Install Broadcom BCM4360 Wi-fi/Bluetooth Driver in Lubuntu GNU/Linux desktop – 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 Lubuntu Broadcom BCM4360 Driver Installation Guide