Recently, some customers have experienced module damage when performing add key functions on BMW G chassis BDCO2. The function is now avialble on Autel IM608 II/IM508S and OTOFIX IM1/IM2. Below are some common reasons that may lead to module damage:
*Please pay close attention to these precautions to avoid unnecessary damage!
Precautions for BMW BDCO2 Function
- Failure To Strictly Follow The Operation Guide & Connection Instructions
Incorrect wiring or not adhering to the step-by-step procedure can result in module or chip burnout. Please carefully read and follow the operation guide and procedure prompts.
- Neglecting Electrostatic Precautions
Static electricity in the working environment can damage the module or chip. It is strongly recommended to wear an anti-static wrist strap throughout the entire process.
- Incorrect Grounding Of The EEPROM PIN2
The PIN2 of the EEPROM module must be connected to the specified ground line as shown in the diagram. Using any other ground connection may result in chip damage.

Read also:
How to Purchase Autel BMW G-Chassis Key Programming Function Activation?
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