http://www.woolichracing.com/products/suzuki/gsx1300 bk-b-king/2008/2008-suzuki-gsx1300 bk-b-king-ecu-flashing.aspx#productTable At the bottom of the page.
Hugh R. replied:
I've been using the Innovative version... uses the Bosch Wideband sensor... works well for me http://www.innovatemotorsports.com/products/MTXL.php