Specific cable kit for retrofitting the original tire pressure monitoring system on the Audi A4 B7 This intelligent early warning system offers more safety for you and your passengers Monitoring of the wheel pressure by pressure sensors in each wheel, in the event of a pressure loss, the driver is warned by an acoustic signal and the affected wheel is displayed in the driver information system In addition, you can optimize the wear of your tires and your fuel consumption Scope of delivery: Wiring Note: Only for use in vehicles with driver information system (DIS)