WARNING: This page is about a different car, the 2016 Porsche Macan and 2015 Porsche Macan. However, it is still accessible from the selected car via links, so may be relevant.
Unscrew screws -1-
and remove air inlet housing cover -2-
.
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Turn air quality sensor clockwise and remove it to the rear.
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Disconnect connector -1-
from air quality sensor -2-
.