Porsche 911 GT3 Owner's Manual page 225

Bi-Xenon headlight (with cornering light):
Changing bulb for low beam and high beam
1. Undo the 3 screws on the control unit and
remove the control unit.
224
Practical Tips, Emergency Service
2. Turn the plug counter-clockwise and pull it off. 3. Disengage both fixing clips.
4. Replace defective bulb.
When doing so, ensure bulb is seated properly.
5. Engage both fixing clips, push on plug and turn
clockwise until stop position is reached.
6. Reinstall the control unit and screw tight.
7. Push on housing cover until it perceptibly
engages.
8. Fasten housing cover with the 4 screws.