it was really simple, i just went halfords and picked up two pairs of H7 bulbs, you need 1 pair for your dipped beams and 1 pair for your main beams,
open up the bonnet and behind the headlights are two black plastic covers they have a silver
sticker on the top of them which if you peel off says void on it, the main beams are the inside covers and the dipped lights are the outside ones, it shows you this in the manual i think its page 212ish,
its just a case of pulling the plug thing out the back of the bulb, unclipping a metal bar over the top and slide the bulb out, its a 5 minute job, just dont touch the bulb with bare fingers as this can damage them, ill take some pictures tomorrow as i did this in the dark so i couldnt take any