Metal Valve, Removing And Installing, Version 1: Removing
WARNING: This page is about a different car, the 2023 Audi S3, 2023 Audi RS 3, 2023 Audi A3 Quattro, and 2023 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
-- Remove the tire pressure monitoring sensor.
-- Remove the union nut and the metal valve from the disc wheel.