Complete kit for retrofitting the original swivel towbar (AHK) for A8/S8 4N Thanks to the button in the trunk, the electric towbar can be easily retracted or extended. Scope of delivery: Towbar cable set control unit + bracket Switch Screw Coding dongle Notes: Not suitable for: Hybrid vehicles (PR no.: 0K3) American vehicles Vehicles with PR no.: DT8 in combination with PR no.: 7MM as well as PR no.: DV8 in combination with PR no.: GH2 For vehicles with the engine code CXYA, the engine control unit must be updated by a specialist workshop. This item will be delivered by a freight forwarder, please click on the "Please inquire" button in the upper area and we will then send you a non-binding offer link including shipping costs. A trailer use is only possible if a technically permitted trailer load is recorded in the vehicle documents, if no trailer load is recorded in the vehicle documents, the vehicle operating permit and insurance coverage expire when using a trailer