The Lonsdor BM3S-01 is a universal smart key PCB engineered specifically for BMW G-Chassis vehicles equipped with BDC2, BDC3, and select BCP immobilizer systems. Designed for professional automotive locksmiths and technicians, this PCB provides a reliable and efficient solution for BMW key generation and add-key programming on modern BMW platforms.
When paired with compatible Lonsdor key programming devices, the BM3S-01 enables fast, stable key creation while maintaining OEM-level performance. Its wide vehicle coverage and multi-system support make it an essential component for servicing late-model BMW vehicles.
- Original Lonsdor Aftermarket Key
- This product requires a Lonsdor machine: K518 Pro FCV KW100
- Battery: CR2032 (NOT included)
- Buttons: Lock, Unlock, Trunk, Panic
- Aftermarket emergency key included
Key Features
- Universal smart key PCB for BMW G-Chassis
- Supports BDC2, BDC3, and BCP immobilizer systems
- Designed for Add-Key programming operations
- OEM-grade electronic components for reliability
- Compatible with BMW-style smart key shells
- Ideal for professional locksmith and automotive use
Immobilizer System Compatibility
- BDC2
- BDC3
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BCP (Low-Configuration models only)
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❌ Not compatible with BCP systems using the J29D5C chip
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⚠️ Always verify vehicle system configuration before programming.
Vehicle Compatibility
BMW G-Chassis Vehicles (Approx. 2020–2024)
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BMW Series Models
- BMW 2 Series
- BMW 3 Series
- BMW 4 Series
- BMW 5 Series
- BMW 6 Series
- BMW 7 Series
- BMW 8 Series
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BMW X & Z Models
- BMW X3
- BMW X4
- BMW X5
- BMW X6
- BMW X7
- BMW Z4
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Additional Coverage
- BMW 1 Series (2021–2024 – select models)
- BMW 2 Series (2021–2024 – select models)
- BMW X1 (2022–2024)
- BMW X2 (2022–2024)
⚠️ Vehicle coverage may vary by region, trim, and immobilizer type.
Programming Compatibility
- Lonsdor K518
- Lonsdor K518 PRO / K518 PRO FCV
(Proper software version and function activation may be required.)
What’s Included
- 1 × Lonsdor BM3S-01 Smart Key PCB
❌ Key shell, blade, and battery not included
Important Notes
- Professional use only
- Key shell must be purchased separately
- Does not support high-configuration BCP systems with J29D5C chip
- Programmer license and online access may be required
