Testing an OBD II memory saver device on the 2002 Ford Crown Victoria P71 and the 2000 BMW 740 iL (e38). What are the advantages of using this device? What are the limitations? What can you use to power the device? Do you need one or can you find a work around?
I'll give a complete "every mans guide" to this device and answer any questions you may have had before watching this video.
