http://www.sylvania.com/ConsumerProd...placementGuide

very handy tells you every bulb for the a8 and s8
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Added to favourites - thanks +++

That gives different info to what's fitted on my car for front fogs :(

yea its not perfect as it also dose not pick up having bi xenons only that dipped beam is HID but hey it gives a good reference i guess, i want to upgrade my fogs to led or hid think they are H3 bulbs

http://www.hids4u.co.uk/hidkits.php

i also found a convertion kit for the main beam for those who dont have Bi xenon H7 fitment with Audi Vag harness