Hey guys I have the same problem.
I'm using GA-Z77X-UP5-TH motherboard, BCM94360CD and adapter on PCI-E X1 slot. It connects to the USB (two wires that go to data pins)
I have Bluetooth working, but WiFi fails. The strange thing that it was working for a minute or so and then stopped.
Are there any solutions?
I'm on Yosemite 10.0.1 (it was the same with 10.10)
I tried resetting caches, updating Yosemite, putting the card to a different X1 slot - it's all the same. Bluetooth is ON, WiFi is OFF