Originally Posted by SEI
hi, since our cars dont have a powered obd2 port is there another power source thats like the obd 2 port?
e9x M3 models do not have a powered OBD port.
I have not seen the installation instructions for the PSWII yet, does it specify switched or keep-alive memory? There are only a few locations that provide constant power in this model and will not shut off when the command is given by the IBS.