When adding a spare key for the BMW G series BDC2 system with Yanhua ACDP Module 38, if the device power output exceeds, disconnection or other anomalies occur during obtaining key data, it may cause BDC2 module system info abnormal and lost version/coding. In this case, the system can be repaired through the “programming repair system” function.
Check instructions below to repair/restore BDC2 module if lost coding.
Connect the device and BDC2 adapters to the BDC2 module as shown in the image.
Identify vehicle info.
The identified module information will display abnormal data and coding lost in the BDC2 module.
Click Programming restore system to initiate the repair process.
Select Step 2: Update BDC2 system.
Connect 12V power supply to ACDP.
Select the original SWFL version (according to the identified vehicle info).
Start to get data from server, keep the network connection during the process.
Prepare to program, make sure the stable power supply and DO NOT pull out the device during programming.
System data programming in process.
Program system finish.
Save data.
Select Step 3: Write coding data.
Read coding data.
Select a coding file names ends with “Coding.bin”. Also verify the file’s time and car VIN info.
Prepare to program, make sure the stable power supply and DO NOT pull out the device during the process.
Write coding data and finish.
Identify vehicle info again.
When the car info identification page shows that the system and coding are normal, it indicates that the repair is completed.
Save vehicle info.
After restoring BDC2 module, you can continue executing the previous unfinished operation process.
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