The above patchs didn't work for me. Ubuntu has solved and is the easier solution I found: https://launchpad.net/ubuntu/+source/bcmwl/6.30.223.30+bdcom-0ubuntu3/+build/4761504 . Simply download thebcmwl-kernel-source_6.30.223.30+bdcom-0ubuntu3_amd64.deb and installit.
