Complete kit for upgrading to an original Audi Parking System Plus (APS) - APS front for Audi A4 B7 (8E) Suitable ONLY for vehicles with factory-fitted sensors at the rear This set upgrades an existing APS system to APS-Plus with its acoustics Much better distance control Scope of delivery: Wiring Control box Sensors Buzzer Switch for center console Note: Sensors must be painted in vehicle color This set is only intended for upgrading cars already equipped with original Audi rear parking sensors (7X1) We will carry out this upgrade on your car - do not hesitate to contact us!