Problem: A customer reported difficulty while attempting to add a key for Volkswagen 5C/5D using KEYDIY KD-X4 key programmer. Below is their described process: 1.Connected KD-X4 to a computer via USB cable 2.Installed the KEYDIY application on a Windows 11 PC… Continue Reading
Here are some frequently asked questions about KEYDIY, including real name authentication, KD-coins, and function activation. This guide applies to KEYDIY KD-X4, KD-MAX, etc. Q1: What is real name authentication and why is it required? A: Real name authentication is… Continue Reading
This guide demonstrates two methods for programming an additional key for a BMW equipped with a BDC3 module, using a KD FGB58 key blank. Both KEYDIY KD-X4 and KD-MAX key programmer can be used without any vehicle wiring. Preparation & Key Disassembly: Remove and… Continue Reading
This post shows how to use KEYDIY KD-X4 for Volkswagen and Audi 5D transponder key programming. Required Tools: Target 5D Transponder Key Original Vehicle Key (Required for 5D) KEYDIY KD-X4 5-in-1 key programmer KEYDIY KD-X4Adapter Board (8-pin) Soldering Equipment & Wires Software… Continue Reading
This post provides step-by-step instructions for programming a Volkswagen 5C immobilizer key using KEYDIY KD–X4 and a KD-type aftermarket key. Tools & Prerequisites: KD-X4 key programmer Original Vehicle Key (for data reading) New KDZB MQB smart remote (to be programmed) Keydiy DB25… Continue Reading
KEYDIY KD-X4 5-in-1 key programmer can copy BMW G series BDC02 encrypted key now, no need to remove the instrument cluster. Requirement: Keydiy KD-X4(or KD-MAX) Original BDC2 encrypted key New original BDC2 key or KD FGB58 remote New dedicated wiring harness… Continue Reading
KEYDIY officially released its long-awaited VAG 5C/5D key programming function on Jan.11, 2026, giving locksmiths and automotive pros more control and flexibility than ever. What’s New? BMW, AUDI, VW, PORSCHE, SKODA 5C / Supports ZB Smart Keys and Original Keys 5D Supports… Continue Reading
Exciting Update: KEYDIY KD-X4 and KD-MAX will soon support direct key adding for VW 5C/5D, Porsche 5D and more, no adapter needed! Stay tuned! Update Info: 1.VW MQB49/5C Key Adding 2.VW/Audi 5D Key Adding 3.Porsche 5D Key Adding 4.BMW BDC/BCP No-disassembly Key Adding (Including the… Continue Reading
This guide outlines the procedure for programming A ZB KD remotes for a 2025 China BYD Qin Plus DM-i vehicle using KEYDIY KD–X4 5-in-1 key programmer. Step 1: Program Generation Navigate to the Remote test in the software interface, as the specific program for… Continue Reading
Question: Can KEYDIY KD-X4 copy key for all BMW BDC3 modules? Only Hungary? How about BCP key? EOBDTool.co.uk engineer replied: All 2020-2024 BMW G series BDC3 smart keys with Hungary are supported. But the encrypted key is not supported. For example: The… Continue Reading
Customer problem: Want to connect Keydiy KD-Max with my iPhone, but connection is not possible. On both devices are BT on and will be detected… It shows that they are connected via BT, but at this screen i do not see the pairing.… Continue Reading
