That kit works but you won't control it from the steering wheel and cluster, just from the RNS-510, unless you get a Polar BT module/FIS link.
I'd consider getting a module from the For Sale section and the wiring+mic+foam from Carsystems.
I have a 7P6 module on my Ed. 30 with a Polar BT, 100% functional with cluster and steering wheel.