here's a way to replace the fog light's without replacing the headlight's
1:Raise The car with a Jack
2:Loosen the front plastic undertray's where the fog light's are
3:get a short stubbed screwdriver and loosen the 2 Aluminum Screw's
4

isconnect the Power Connector
5:After The Screw's are out and the connector out, Give it a hard push, The fog light should slide out of the bumper
6:Open the dust cap and pull out the old bulb and put the new one in "if you're replacing this with a 100Watt Bulb,You're gonna have do a simple cutting with Wire cutter's
The bulb Plate might have a notch sticking out,Cut the notch so the plate is looking like a circle,and reinstall on the bulb
"This applie's to Sylvania 100Watt H3's