KeyDiy KD Bmw FEM BDC BDC2 BDC3 CAS4 CAS4+ Smart Key Board 4Buttons FGB23 434MHz
- Product SKU: ABK-4499-FGB23
- Category: Bmw, KD Remotes - KeyDiy Smart Keys, KeyDiy, New Products, Smart Keys - Proximity Keys
- Vendor: KeyDiy
KEYDIY KD FGB23 Smart Key PCB Board 434MHz Overview:
The KEYDIY KD FGB23 Smart Key PCB Board (434MHz) is a high-quality, 2024-edition smart key circuit board designed for professional locksmiths and automotive programmers working with BMW vehicles. It supports a wide range of BMW immobilizer systems including CAS4, CAS4+, FEM/BDC, and the latest G-Series BDC2/BDC3, making it a reliable and up-to-date solution for generating dealer keys and smart keys.
The KEYDIY KD FGB23 Smart Key PCB Board is optimized for use with KD-MATE and KD-X4 key programmers, this board offers strong compatibility, easy programming, and dealer-level performance with no tokens or points required.
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KEYDIY KD FGB23 Smart Key PCB Board Features:
- Smart Key PCB Board Frequency 434MHz
- Compatible with KD-MATE and KD-X4 programmers
- Requires KEYDIY BMW G/F license activation for key generation
- No tokens or points needed for creating dealer keys
- Supports BMW FEM, BDC, CAS4, CAS4+, BDC2, and BDC3 systems
- Works with BMW G-Series key generation
- Can also be used for standard ZB smart key applications
- Compatible with multiple BMW models from 2015–2021 (list below)
What is the Difference Between KEYDIY FGB57 And KEYDIYÂ FGB23 BMW Smart Key PCB:

- Both support the same BMW systems and operate at 434MHz
- FGB57 = Newest 2024 design with modern side-button layout
- FGB23 = Older 2015+ traditional smart key style
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KEYDIY KD FGB23 Smart Key PCB Board Compatible BMW Models:
- 5 Series G30 (11/2016–06/2020)
- 5 Series G31 (03/2017–06/2020)
- 5 Series G38 (05/2017–08/2020)
- 6 Series G32 (07/2017–06/2020)
- 7 Series G11/G12 (07/2015–02/2019)
- M5 F90 (11/2017–06/2020)
- X3/iX3 G08 (05/2018–08/2021)
- X3 F97 (04/2019–07/2021)
- X3 G01 (12/2017–07/2021)
- X4 G02 (04/2018–07/2021)
- X4 F98 (04/2019–07/2021)
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KeyDiy KD Bmw FEM BDC BDC2 BDC3 CAS4 CAS4+ Smart Key Board 4Buttons FGB23 434MHz
Specifications:
| Product Code | ABK-4499-FGB23 |
| Manufacturer | KeyDiy [Genuine] |
| Buttons Count | 4Buttons |
| Frequency | 434MHz |
| Key Blade | Optional ABK-3921 |
| OEM Part Number | FGB23 |
| Keyless Go | Yes |
| Battery | CR2032 ABK-540-2032 |
| Condition | Brand New |
Supported Models:
| BRAND | MODEL | FROM | TO |
| BMW | FEM | ||
| BMW | BDC | ||
| BMW | BDC2 | ||
| BMW | BDC3 | ||
| BMW | CAS4 | ||
| BMW | CAS4+ |
Item Specifications:
- Product Code: ABK-4499-FGB23
- Manufacturer: KeyDiy [Genuine]
- Buttons Count: 4Buttons
- Frequency: 434MHz
- Key Blade: Optional ABK-3921
- OEM Part Number: FGB23
- Keyless Go / Proximity / Smart Function: Yes
- Battery: CR2032 ABK-540-2032
Fitments:
- BMW FEM
- BMW BDC
- BMW BDC2
- BMW BDC3
- BMW CAS4
- BMW CAS4+
KEYDIY KD FGB23 Smart Key PCB Board 434MHz Overview:
The KEYDIY KD FGB23 Smart Key PCB Board (434MHz) is a high-quality, 2024-edition smart key circuit board designed for professional locksmiths and automotive programmers working with BMW vehicles. It supports a wide range of BMW immobilizer systems including CAS4, CAS4+, FEM/BDC, and the latest G-Series BDC2/BDC3, making it a reliable and up-to-date solution for generating dealer keys and smart keys.
The KEYDIY KD FGB23 Smart Key PCB Board is optimized for use with KD-MATE and KD-X4 key programmers, this board offers strong compatibility, easy programming, and dealer-level performance with no tokens or points required.
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KEYDIY KD FGB23 Smart Key PCB Board Features:
- Smart Key PCB Board Frequency 434MHz
- Compatible with KD-MATE and KD-X4 programmers
- Requires KEYDIY BMW G/F license activation for key generation
- No tokens or points needed for creating dealer keys
- Supports BMW FEM, BDC, CAS4, CAS4+, BDC2, and BDC3 systems
- Works with BMW G-Series key generation
- Can also be used for standard ZB smart key applications
- Compatible with multiple BMW models from 2015–2021 (list below)
What is the Difference Between KEYDIY FGB57 And KEYDIYÂ FGB23 BMW Smart Key PCB:

- Both support the same BMW systems and operate at 434MHz
- FGB57 = Newest 2024 design with modern side-button layout
- FGB23 = Older 2015+ traditional smart key style
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KEYDIY KD FGB23 Smart Key PCB Board Compatible BMW Models:
- 5 Series G30 (11/2016–06/2020)
- 5 Series G31 (03/2017–06/2020)
- 5 Series G38 (05/2017–08/2020)
- 6 Series G32 (07/2017–06/2020)
- 7 Series G11/G12 (07/2015–02/2019)
- M5 F90 (11/2017–06/2020)
- X3/iX3 G08 (05/2018–08/2021)
- X3 F97 (04/2019–07/2021)
- X3 G01 (12/2017–07/2021)
- X4 G02 (04/2018–07/2021)
- X4 F98 (04/2019–07/2021)
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KeyDiy KD Bmw FEM BDC BDC2 BDC3 CAS4 CAS4+ Smart Key Board 4Buttons FGB23 434MHz
Specifications:
| Product Code | ABK-4499-FGB23 |
| Manufacturer | KeyDiy [Genuine] |
| Buttons Count | 4Buttons |
| Frequency | 434MHz |
| Key Blade | Optional ABK-3921 |
| OEM Part Number | FGB23 |
| Keyless Go | Yes |
| Battery | CR2032 ABK-540-2032 |
| Condition | Brand New |
Supported Models:
| BRAND | MODEL | FROM | TO |
| BMW | FEM | ||
| BMW | BDC | ||
| BMW | BDC2 | ||
| BMW | BDC3 | ||
| BMW | CAS4 | ||
| BMW | CAS4+ |
Item Specifications:
- Product Code: ABK-4499-FGB23
- Manufacturer: KeyDiy [Genuine]
- Buttons Count: 4Buttons
- Frequency: 434MHz
- Key Blade: Optional ABK-3921
- OEM Part Number: FGB23
- Keyless Go / Proximity / Smart Function: Yes
- Battery: CR2032 ABK-540-2032
Fitments:
- BMW FEM
- BMW BDC
- BMW BDC2
- BMW BDC3
- BMW CAS4
- BMW CAS4+