Complete kit for upgrading the original headlight cleaning system Suitable for Audi A6 4G If the bumper does not have an opening for the nozzles, the bumper must also be replaced In some cases, the on-board control unit must be replaced. Please check with your local Audi dealer Connect the vehicle to the Audi diagnostic machine - obtain the part number when performing an auto scan - send the information to info@kufatec.de Checking the chassis number (VIN) alone is not reliable Scope of delivery: Wiring Pump Water tank Hose Note: After installation is complete, the system must be recoded via diagnostics