WARNING: This page is about a different car, the 2025 Audi S3, 2025 Audi RS 3, and 2025 Audi A3 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of AUDI OF AMERICA, LLC
-- Disconnect the connector -1-.
-- Remove the bolts -2 and 3- and the Left Rear Level Control System Sensor -G76- -4-.