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This should help with your decision
what-kind-of-headlight-bulbs-are-in-the ... 02435.html
If your car comes with the Xenon light, then you will only need to replace the bulb(head light only)
For fog light and high beam, you will definitely need a HID kit. Most HID kits now a day is plug and play so you should have no problem installing it
For me, I personally like the HID kits from V-LEDS.