...If the bcm/bsi whatever is  NEC based  then it's soldering job. If later model then maybe  Lonsdor  able to read via OBD The best way if you read it from the ECU.   Feedback: ok thanks, usually I take pin from ecu, but in this old have old sagem ecu with rouber inside so its not possible to...

User manual： Lonsdor K518  Hex editor Instructions     1 Open Hex editor Enter K518 home screen, select【settings】 添加图片说明 In【settings】menu, select【Hex editor】   【Hex editor】interface as shown  Back to home screen     Back to previous menu 2 Open file 【Hex...