Specific wiring for upgrading the tailgate to an electric tailgate for Audi A6 4F opening the tailgate using the original remote control Scope of delivery: Wiring harness Note: You have to change the buffer as well as the additional components (motor, push button ...) In some cases, the comfort control must be replaced. The control units with the following index are suitable and a replacement is not necessary: ​​Part reference index: B, K