Bluetooth Address book sync with Ford Mondeo Handsfree
I have a Focus, with the same Ford car kit.
My Hermes also couldn't transfer contact info to the car kit. I tried a variety of ROMs, enabling BT SAP and OBEX on each. It was only when I changed to Schaps 4.30 that it worked.
I can only assume that the Ford system is very picky about the BT SAP version, and only the very latest versions will work.
I suspect you will have to wait until someone releases a Niki ROM with a compatible BT SAP in it.