I decided to use Ubuntu as a dual-boot to see if I would replace MacOS with it. I could use my Broadcom wifi card just fine in the "try without installing" feature, but as soon as I installed it, it refused to use the card. I tried re-installing the drivers, but to no avail. ubuntu would start the process of using the card, but at around 75-85% it would just give up.
EDIT IN RESPONSE TO
chili555: output of
lspci -nnk | grep 0280 -A3:
gingka@gingka-MacBookAir:~$ lspci -nnk | grep 0280 -A3 03:00.0 Network controller : Broadcom Limited BCM4360 802.11ac Wireless Network Adapter [14e4:43a0] (rev 03) Subsystem: Apple Inc. BCM4360 802.11ac Wireless Network Adapter [106b:0117] Kernel driver in use: bcma-pci-bridge Kernel modules: bcma