A tip to save money on ELM 327
ELM327 USB is a free program that allows you to use your PC and a hardware interface to get the information from your car's computer.The program is very user-friendly, and easy to learn.
This is just electric version. Just the same as what is sold in the CD. If you also need one, well, this maybe help. You may click and download it in your computer.
Here is the address
( elm 327