Specific wiring for retrofitting the following Audi radios in vehicles with ISO connectors: Audi Concert 3 (mp3) Audi Symphony 3 Audi BNS 5.0 Easy installation High-quality wiring Suitable for the following vehicles: Audi A3 8P Audi A4 8E Audi A6 4B Selectable options: A3 8P, A4 8E - Sound 9VD A6 4B - Sound 9VD A3 8P, A4 8E - Sound 8RY A6 4B - Sound 8RY Scope of delivery: Adapter Note: Not suitable for vehicles with factory-installed BNS 4.x navigation Please state the specifications above In the case of Audi Concert 3 as well as Symphony 3, one of the following is also required: Article ID 35643 Article ID 35643-2