Knock Sensor 1 -G61-, REMOVING AND INSTALLING: Notes
WARNING: This page is about a different car, the 2022 Audi S5 Sportback, 2022 Audi RS 5 Sportback, 2021 Audi S5 Sportback, 2021 Audi RS 5 Sportback, and 2020 Audi S5 Sportback. However, it is still accessible from the selected car via links, so may be relevant.
The Knock Sensor 2 -G66- is removed in the same way.