OBD Connections
As stated earlier, OPPS comes with 2 OBD cables:
"Short version" P/N 663 111 which is used for CIP programming through the OBD (2) and MOST bus as well as diagnosis of al E65/E66 modules.
"Long version" P/N 663 112 (2) which is used for Optical module and bus testing of modules located a distance from the vehicle OBD connector such as in the vehicle trunk.
The long OBD cable 663 112 only transmits at a baud rate of 10400 compared to the high speed 115K baud for 663 111.