So Bill
 

If you had one of these newer cars, could you plug your laptop directly into it without the $2,000 EMS Hardware? Could you just use some software to make the codes easier to read, and possibly more accurate?

Scruffboy

If you have sumthing that can jus plug to the obd in your
I still think you need the program for your computer for it to work
And most likely it'll jus be reading codes
And not really for tuning anything
Wouldn't be worth the money if that's all it can do

Like u said,
Ill stick with the paperclip too