Flex OBD Bench ECU is the software package for the Flex programmer which allows you to work on engine ECUs in OBD and Bench mode. DESCRIPTION All ECU protocols in one package The Flex OBD Bench ECU software package is the ideal solution for each tuner who want to have all the protocols for engine ECUs of cars, motorcycles and vans in OBD and Bench mode. Modify and recalibrate using the Flex programmer without the need to open the electronic unit. The right starting point for every chiptuning solution.