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[Newly Update 5C 5D] US/UK/EU Ship No Tax KEYDIY KD-X4 5-in-1 Key Programmer Combines KD Max, KD Mate and KD Mini Prog Supports MQB48 MQB49 5C 5D MQB MLB BDC2/BDC03 IMMO Get Free DB25 Cable

Brand: Keydiy Item No. SK466 In Stock. History 154 sold.

Latest price: US$730.00
Buy Now: US$680.00 7% off
6 KEYDIY Tools: KD-X4 KEYDIY KD-X4 5-in-1 Key Programmer Combines KD Max, KD Mate and KD Mini Prog Supports MQB48 MQB49 5C 5D MQB MLB BDC2/BDC03 IMMO Get Free DB25 Cable
Free KEYDIY DB25 Key Programming Cable(SF428)
Shipping:
Free Shipping Standard Flat Rate Shipping ServiceEstimated delivery time: 12-25 working days.See details »
Weight:
1.5KG
Package:
29cm*23cm*13cm ( Inch: 11.42*9.06*5.12 )
Returns:
Return for refund within 7 days,buyer pays return shipping. Read details?


Product Description

KD-X4 combines Functions Of : KD master + KD MAX + KD MATE + KD MINI PROG
Supports MQB48 MQB49 5C 5D MQB MLB BDC2/BDC03 IMMO
Get Free DB25 Cable

KEYDIY KD-X4 5-in-1 Key Programmer Combines KD Max, KD Mate and KD Mini Prog


KD-X4 combines Functions Of : KD master + KD MAX + KD MATE + KD MINI PROG
KD-X4 Newly updated, adding BMW BDC03 keys.  No need for access to the vehicle, just disassembly and reading of the original key for the addition!

kd-x4

New Upgraded 1: KeyDiy KDX4 newly add BDC3 function, recommend to use with KEYDIY BMW BDC2 keys KEYDIY KD FGB58KD FGB23/KD FGB57
New Upgraded 2: You can use the KEYDIY ZB Keys for VW MQB49 and 5C programming.

Recent Software Update:

July 2026

Update 2018+ Jaguar Land rover NXP NCF29Ax smart key cloning (without disassembling KVM module)
Read MQB48 immo file from programmed KD MQB48 key.
Read MQB49 5C/5D service code from programmed KD ZB/FGB key.

New Update (Jan. 2026):
  • VW MQB49/5C Key Adding
  • VW/Audi 5D Key Adding
  • Porsche 5D Key Adding
  • BMW BDC/BCP No-disassembly Key Adding (Including the LCD key)
Upcoming Update:
  • Rolls-Royce No-disassembly Key Adding
  • Toyota SUPRA No-disassembly Key Adding


The KD-X4 is a professional locksmith device that combines recognition, generation, copying, programming, and matching capabilities. It can function independently or connect seamlessly to tablets, mobile phones, and PC software, offering multiple flexible operation modes. Locksmiths can select the mode that best aligns with their usage preferences.

With exclusive access to advanced industry-leading features, the KD-X4 supports a range of functionalities, including frequency detection (compatible with 2.4G), remote control generation, remote control simulation, keyless remote simulation, remote control copying, chip recognition and copying, chip generation, chip acquisition, key unlocking, IMMO programming, programmer data reading and writing, online upgrades, and more.

This device stands out for its user-friendly operation, reliable performance, and broad compatibility with various car models, making it an essential tool for locksmith professionals.


 

KEYDIY KD-X4 Features:

  • Industry debut UWB (Bluetooth) key detection
  • Industry exclusive Toyota used key unlock free programming
  • First to release MLB chip detection function
  • CANFD integration, no other accessories required
  • 24V Chinese heavy-duty truck model programming
  • Built in programmer function, will support 5A mileage function
  • One second startup, greatly improves locksmith's work efficiency
  • The device supports English, Simplified Chinese, Vietnamese, Russian, French, Spanish, German, Italian, Arabic, Thai, Japanese, Korean.
  • One wire harness can cancel Ford alarm and program the Toyota 8A blade key all key lost situation(Need to purchase separately)
  • 2018-2024 Jaguar and Land rover smart key programming (JPLA / K8D2 / J9C3 / M9R3 systems)
  • Supports VAG MQB/MLB Add key no removing cluster with KD-MP tool
  • Supports BMW G Series BDC2 add key with BDC2 adapter
  • Supports BMW G chassis BDC3 add key function (must generate KD FGB23/KD FGB57 remotes)
  • Multi-language: English, French, Spanish, German, Italian, Arabic, Thai, Japanese, Korean, Simplified Chinese, Vietnamese, Russian

 

KD X4 Button and Interface Function Description:

1. Power on/off button:
In the shutdown state, press and hold the power button for 2 seconds to turn on the device.
When the device is turned on, press and hold the power button for 2 seconds to turn it off.

2. Chip recognition button:
Press the chip recognition button to enter the chip detection function; long-press the chip recognition button to enter the function switching menu, where you can select chip recognition, ignition coil detection, and system settings functions.

3. Remote copy button:
Press and hold the remote copy button to enter the remote normal copy function. Long-press the remote copy button to enter the function switching menu, where you can select the normal copy, special copy, and remote data comparison functions.

4. Frequency detection button:
Press and hold the frequency detection button to enter the frequency detection mode within 1GHz. Press and hold the frequency detection button to enter the function switching menu, where you can select frequency detection within 1 GHz, 2.4 GHz frequency detection, or battery voltage detection/leakage detection.

5. Key induction coil and immo chip placement hole:
Used for identifying and copying car key immo chips, and can also be used for wireless generation of KD remotes.

6. Frequency detection area:
Place the key in the frequency detection area and press the key remote control button to detect the remote control frequency.

7. Power indicator light:
Used for power on and charging status indication, power on status: indicator light flashes; Charging status: The indicator light is constantly on and turns yellow; Fully charged state: The indicator light is constantly on and turns green.

8. Display screen:
It can display device information and key information, etc.

9. USB interface:
Used for charging, wired connection to mobile phones or PC terminals.

10. Programmer interface:
Used for programmers to read data from Volkswagen MQB dashboard, Audi dashboard or BCM data, as well as various octagonal chip EEPROM data reading and writing.

11. Wired programming interface:
Used for KD wired remote generating, unlocking with original keys, remote battery voltage detection, and leakage detection. 

12. Collecting antenna:
It is used for collecting data on car ignition, testing ignition coils, chip simulation, and other functions.

13. External acquisition antenna interface:
It is used for collecting car ignition data, ignition coil detection, chip simulation, and other functions.

14. Toyota adapter cable interface: 
Toyota/Lexus smart key all key lost cable interface.

15. OBD main cable interface:
Connect the external OBD 15 cable to the car, connect the Mobile KD APP, and enter the programming function for use.

 



Upcoming update: 

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 LcD key)
5. Rolls-Royce No-disassembly Key Adding
6.Toyota SUPRA No-disassembly Key Adding

KD-X4 Function and License
 

Function/Service Activation Fee One-Time Fee Fee Deduction Rules
Volvo Programming (Semi-Smart Key/8A Smart Key) Dismantle & Read CEM Data 3500 KD-Coins / 75 USD No need *
BMW G Chassis programming + BMW FEM/BDC programming 5000 KD-Coins / 150 USD BMW G: 200 KD-Coins / 4 USD
BMW F: Free
When generating the dealer keys
Toyota second-hand key programming without unlocking No need 200 KD-Coins / 5 USD When generating the KD keys
96-bit 48 Copy No need 100 KD-Coins / 10 USD When calculating the data
MLB Programming The first account bound to this platform is free 200 KD-Coins / 3 USD When generating dealer keys (same ID free is free to charge)
Read the code of Yamaha No need 200 KD-Coins / 2 USD When calculating the data
MQB Programming + Programmer + Audi BCM2 Programming 2500 KD-Coins / 75 USD No need *
All-Key-Lost Service No need 100 KD-Coins *


How to Make KEYDIY License Activation?

1. Users must finish real-name verification in KD App before purchasing any license.
2. Order the corresponding function license.
3. Provide your phone number that is registered with KD App to us.
4. We will activate the license for your KD account.



Button and Interface Function Description

Power On/Off Button:

  • In the off state, press and hold the power button for 2 seconds to turn on the device.
  • When the device is on, press and hold the power button for 2 seconds to turn it off.

Chip Recognition Button:
  1. Press to enter the chip detection function.
  2. Long press to access the function-switching menu, where you can select:
  • Chip Recognition
  • Ignition Coil Detection
  • System Settings

Remote Copy Button:
  1. Press to enter the remote normal copy function.
  2. Long press to access the function-switching menu, where you can select:
  • Normal Copy
  • Special Copy
  • Remote Data Comparison

Frequency Detection Button:
  1. Press to enter the frequency detection mode within 315MHz.
  2. Long press to access the function-switching menu, where you can select:
  • Frequency Detection within 315MHz
  • 433.92MHz Frequency Detection
  • Battery Voltage Detection/Leakage Detection
(Refer to Figure 3 on the right)

Key Induction Coil and IMMO Chip Placement Hole:
  • Used for identifying and copying car key IMMO chips.
  • Can also generate KD remotes wirelessly.

Frequency Detection Area:
  • Place the key in this area and press the remote control button to detect the frequency.

Power Indicator Light:
  • Power On Status: Indicator light flashes.
  • Charging Status: Indicator light stays on and turns yellow.
  • Fully Charged Status: Indicator light stays on and turns green.

Display Screen:
  • Displays device information, key information, and more.

USB Interface:
  • Used for charging or connecting to mobile phones or PC terminals via a wired connection.

Programmer Interface:
  • Used to read data from Volkswagen MQB dashboards, Audi dashboards, BCM data, and various octagonal chip EEPROMs.

Wired Programming Interface:
  • Used for KD wired remote generation, unlocking original keys, detecting remote battery voltage, and leakage detection.

Collecting Antenna:
  • Collects car ignition data, tests ignition coils, performs chip simulation, and other functions.

External Acquisition Antenna Interface:
  • Used for collecting car ignition data, ignition coil detection, chip simulation, and similar functions.

Toyota Adapter Cable Interface:
  • Used for Toyota/Lexus smart key all-key-lost scenarios.

OBD Main Cable Interface:
  • Connects the external OBD II cable to the car.
  • Works with the Mobile KD App to enable programming functions.


Product Specifications:

Battery capacity: 3.7V 3500MAh
Input power: 12V/24V/5V 1A
Working temperature: -30-50 degrees Celsius
Storage temperature: -40-60 degrees Celsius
Display: 1.8-inch color screen
Size: 200X120X40MM
Connectivity: Blooth, USB2.0(TYPE B)


KEYDIY KD-X4 K-e-y Progarmmer Frequently Asked Questions:

What is the KEYDIY KD-X4, and what does it do?
The KEYDIY KD-X4 is an advanced l-o-c-ksm-ith tool designed for automotive k-e-y progarmming and repair tasks. It combines functionalities such as k-e-y recognition, generation, copying, progarmming, and matching into one device. It supports over 5600 remote control progarm generations, frequency detection, chip recognition, and immobilizer progarmming for various car brands.

Which car models and brands does the KEYDIY KD-X4 support?
The KD-X4 supports over 51+ car brands, including for Toyota, for Lexus, for Ford, for V-o-l-ksw-a-g-en, for Audi, and more. It also provides specialized functions like for Toyota Rollin-Code Bypass and M-Q-B ke--y progarmming for 2019+ Toyota models.

Can the KD-X4 unlock and reprogarm used car keys?
Yes, the KD-X4 supports unl-o-c-king used ke-ys, including for Toyota 8A, 4A, and other transponder types, allowing them to be reprogarmmed for another vehicle.

Does the KD-X4 support k-e-y progarmming for heavy-duty trucks?
Yes, the KD-X4 includes 24V Chinese heavy-duty truck k-e-y progarmming, making it compatible with commercial vehicles.

What languages does the KEYDIY KD-X4 support?
The KD-X4 offers multilingual support in 19 languages, including Arabic, Korean, German, Spanish, English, and Chinese, making it accessible to users worldwide.

What is included in the KD-X4 package?
The KEYDIY KD-X4 box contains the KD-X4 device, OBD main cable, USB cable, for Toyota adapter cable, progarmmer adapter board, progarmmer wiring cable, remote control burning cable, k-e-y unl-o-c-king cable, and an external acquisition antenna.

Package Includes:

1pc x KD-X4 host
1pc x OBD cable
1pc x MINI PROG cable
1pc x Unlock cable
1pc x Toyota programming cable
1pc x generating cable
1pc x collecting antena
1pc x OTG cable
2pcs x adapters
1pc x manual

 









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Shipping method and delivery time:

US, UK ,RU Warehouse: 2-4 working days. We have stocked up hot sale items in US, UK ,RU Warehouse, Fast Delivery No Tax. But if overseas warehouse is sold out,we will send from Hongkong. 
Ship From UK, No Tax
Ship From US, No Tax
Ship From EU, No Tax
DHL Shipping
: 2-4 working days. Usually we declare lower value on DHL invoice. If your address is remote area for DHL, customer will need to pay remote cost about 35USD or ship by EMS or YANWEN. Please leave message if you have any special requirement.
Yanwen Express: 5-10 working days. No Tax or remote cost for European Countries.

Top 10 reasons to buy from chinacardiags.com website
1.Our website is 12 years old, and always online.
2.We are professional with these tools and a reliable company.
3.There are professional engineers on our team.
4.We have our own manufacturer.
5.Fast delivery 
6.Many customers buy from us, just rest assured to buy in our webiste.
7.Items are very good quality.
8.We package our items safely and securely.
9.Safe purchase, and your privacy is secure. 
10.We provide one year warranty and free technical services.

Contact information:
Email: sales@ChinaCarDiags.com     
Whatsapp: +8618223445829 
WeChat: seven424424 

Whatsapp Group:

LLnn0gcToGG2UjpHuZmcpG


 

Videos

KEYDIY KD-X4 5-in-1 Key Programmer MQB49 5C 5D Unboxing

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Keydiy KD-X4 Work on 2015 Audi Q5 (Encrypted BCM2) add key/AKL

KD-X4 and DolP adapter Work on 2025 Buick GL8 Add Key

Keydiy KD-X4 Add Key on Audi 5th-Generation BcM2 adapter

Keydiy KD-X4 Add Key on 2023 Jaguar XEL

KEYDIY FGB08 FGB25 1: 1 with original key Work for VW 5D

kEYDIY KD-X4 Key Programming Process for 2025 BYD Qin PLUS

2020 Nissan Sylphy B18 All Key addition Use KD X3 and 16+32 gateway cable to match without password

2020 Venucia Navara Add key by KD X4

2020 Venucia Navara Add key by KD X4

2018 BMW 740 LI G11 chansis add key using KD-X4

2014 BMW 3-series FEM Add KD PHONE AS KEY with KD X4

Keydiy KD-X4 Work on 2017 Audi A6L add key (read the sync data from original key)

Use KD X4 and 16+32 gateway cable to 2024 Nissan sylphy B18 chassis All key lost without password

Keydiy KD-X4 Work on 2017 Audi A6L add key (read the sync data from original key)

Keydiy KD-X4 Work on 2015 Audi Q5 (Encrypted BCM2) Add Key/AKL

Keydiy KD-X4 Work on 2016 Toyota corolla (Mechanical key) all key lost

KD X4 works on BMW X3 G series BDC3 2023 add a KD FGB key