VW RNS 315 DAB+ /BluetoothSat Nav Headunit -. Our VW RNS 315 DAB+ units are the newer upgraded models which includeDAB+ radio on-top of all standard spec. The VW RNS 315 DAB+. The VW RNS 315 DAB+ is certainly worth a closer look: it's sophisticated sound system with eight speakers provides added listening.
