WARNING: This page is about a different car, the 2021 Porsche Macan, 2020 Porsche Macan, and 2019 Porsche Macan. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Fuel Injector Component Location With Torque Specification
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Fuel injector
1
Fuel injector
2
Puller from > T10133C - Tool set
3
Puller from > T10133C - Tool set
4
M8 screw from the > T10133C - Tool set
> Torque 5 Nm