this should get you started nicely: http://www.bmwclub.org.hk/gallery/videocorner.html
personally most of my videos are accumulated slowly from the web and from all kinds of places - message boards, enthuasists sites, gnutella etc. if you are looking for any special vid you might want to hit the message board @ http://www.supercars.net - some of the resident posters there are pretty hard core collectors.
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