① DB25 female connector. (used to connect the DB25 male port of GODIAG GT100). 1pc x GODIAG For BMW FEM/ BDC Progarmming Test Platform. GODIAG Fit For BMW FEM/BDC Test Platform. GODIAG FEM/BDC progarmming test platform is a dedicated device developed for BMW, maintenance engineers and FEM/BDC engineers.