Hi

I have a 2002 Audi A4 Quattro I was wondering if i have factory HIDs if my came equipped with a factory xenon headlights...I was looking at some replacement bulbs but i only want to install them if it is as easy as removing the old bulb and installing the new one here is a link to the bulbs I was looking at NOTTOŽ SE - Factory HID Replacement Bulbs - 2002 Audi A4 Factory HID Replacement NottoŽ Bulbs & Kits .....please reply and help me out

Thank you