OPS is mainly used for diagnosis and programming BMW vehicles after E65 series . OPS unit with DIS software is used for diagnosis , which is carried out via OBD-II socket .OPS unit with SSS software is used for programming , which is carried out via OBD-II socket and MOST prot . BMW OPS Configuration: 1. OPS Orange Multiplexer 2. OBD-II diagnostic cable 3. LAN cable 4. MOST cable software for BMW OPS: 1.DIS(V450) 80G hard disk for IBM T30 laptop 2.SSS (V20) 80G Hard Disk for IBM T30 laptop