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Guide to Using the Lonsdor BDC03 Solder-Free Clip
The Lonsdor K518 PRO and K518 Series programmers are capable of copying both genuine BMW BDC3 keys and BCP keys. However, the method differs:
For genuine/OEM BDC3 keys, the Lonsdor BDC03 Solder-Free Clip is the required tool.
For BCP keys, the traditional soldering method is still necessary.
This guide focuses on cloning a genuine BMW BDC3 key using the solder-free clip.
Step-by-Step Instructions:
1. Disassemble the Original Key
Begin by taking apart the original car key. Open the back cover and remove the battery to access the internal circuit board.
2. Identify a Genuine BMW BDC3 Key
Upon opening the key, look for the marking "Hungary" on the circuit board. This indicates the key is a genuine BMW BDC3 unit manufactured in Hungary.
Important: Only genuine BMW BDC3 keys with this "Hungary" marking are compatible with this cloning procedure.
3. Connect the Solder-Free Clip
Take the Lonsdor BDC03 Solder-Free Clip. It features four pins designed to match four specific holes on the BDC3 key's circuit board.
Carefully align these four pins with the four designated holes on the key. Once aligned, clamp the clip securely onto the BMW BDC3 keyboard.
4. Connect to the Lonsdor Tool
Connect the other end of the solder-free clip to your Lonsdor K518 PRO or K518 device using the appropriate cable.
You are now ready to proceed with the cloning process via the Lonsdor device's software interface.
For more details, you can refer to this video:
https://youtu.be/AZv0E0rCYs4
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Post je objavljen 11.12.2025. u 09:04 sati.