I found this today:
1974 2002 Targa Cabriolet project
Polaris (was Inka)/brown-&-white checkered fabric on black interior, black top, all complete, running well;
needs cosmetic work in & out and mechanical updating as car has been sitting a long time. $9500.
From their website:
"Our extensive inventory of classic BMW parts for your BMW 2002 and other models is second to none. Browse our selection of new and used 2002 parts when it’s convenient for you or email us about parts for other models. Can’t find what you are looking for? Simply call us toll-free at 800-420-0223 or e-mail us a request at firstname.lastname@example.org."