For those of you that have discussed OBD port options on here, another member (possibly different forum, I forget) did something even better which prevented her broken into car from being stolen.
Think about it, how often do you really need to use your OBD port? Rather than get RFID devices or removing the port etc. Add one kill switch for the OBD port power line and another on one of the communication lines (needed by the OBD tools), and hide them anywhere you like. This way, if done right, you can have something completely reversible, and easy to switch on when you need to go into service or use the OBD port, yet have it hidden well enough that someone will not have the time to rip your car apart looking for a kill switch!
Simple and smart!
