GNU/Linux Manjaro Installing Broadcom BCM4352 Driver Guide
How to Install Broadcom BCM4352 Wi-fi/Bluetooth Driver on Manjaro 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 Manjaro Broadcom BCM4352 Driver Installation Guide