Had great service and correspondence with Bluedevils. Not sure if he is a member here, but he rebuilds BMW seat belts. He made me a perfect set of three point seat belts for the front and rear of my 2002. He frequents 2002 FAQ.
http://www.bmw2002faq.com/component/option,com_forum/Itemid,50/page,profile/mode,viewprofile/u,2494/
http://www.bmw2002faq.com/component/option,com_forum/Itemid,50/page,profile/mode,viewprofile/u,2494/