Microphone Unit in Front Roof Module -R164-, REMOVING AND INSTALLING: Notes
WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
The Microphone Unit In Front Roof Module -R164- located in the Front Interior Lamp -W1- can only be replaced as a complete unit.