Quote:
Originally Posted by Boco335iXdriveSE
I am sorry....but I don't know where to go to get one of this....what can they do? Do they monitor the the conditions/status of the car??
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JB4 is a tune for the car. Increases HP and Torque but one of the features is code reading which lets you see what codes are shown in the ECU. CAN tool is basically just a tool that lets you read codes. You can read about it here.
http://burgertuning.com/CAN_reader_tool_for_BMW.html