Removing front power windows

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Unclip cover on door inner panel, guide out door release cable at the cover and remove cover.
Disconnect electric plug connection for power window motor.
1. 2.1. Press release button -b- and disconnect electric plug connection -1- .
Unscrew fastening screws -2- and remove power window motor -3- .

Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Slide the window down until the mountings -4- are accessible through the cut-outs in the door inner panel.
Loosen door window glass at the power windows mechanism.
1. 5.1. Actuate locking mechanism -2- and remove limit stop -3- on the power windows mechanism.
  Move door window glass -1- down until the locking mechanism -5- is accessible.
  
  Actuate locking mechanism -5- using a suitable tool -A- and carefully raise the door window glass -1- (-B- ).
2. 5.2. Pull door window glass -1- fully up -B- out of the mounting points -4- .
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Slide door window glass up fully and secure it to prevent it from falling down.
Remove stopper at the top of the bodyshell of the door.
Loosen fastening nuts -1- at the top and unscrew and remove fastening nuts at the bottom -1- .

Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Press mounting clip for power window motor together using a suitable tool and unclip it from the bodyshell of the door.
Guide out power windows mechanism at the top and remove through the opening in the bodyshell of the door.