Individual wiring to upgrade the factory fitted radio system ... Chorus Concert Symphony to ... MMI 3G Navigation Plus - HDD Components perfectly matched to your car Hardware components will also be required Suitable for the following vehicles Audi A4 8K Audi A5 8T Audi Q5 8R Selectable options: Passive sound 8RX Active sound 9VD B&O sound system 9VK Scope of delivery: Cable set Notes: If an AMI (Audi Music Interface) is factory-fitted and this connection is to be accepted, items 36735 + 39411 are also required All hardware components are also required. Sometimes other parts such as brackets for control units or covers will also be required.