Last updated: September 2026 · Verified against OEM part numbers
The BMW 3 Series (2012-2018) uses the compatible key — 434 MHz (SKU PCK-BM-1059) — verified against the original OEM part number. See every compatible option in the table below.
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💬 Ask on WhatsApp| Years | Photo | Key |
|---|---|---|
| 2012-2018 | — | OEM 434MHz 49 Chip Boutique Smart LCD Key for BMW CAS4 EWS5 FEM SKU: PCK-BM-1059 |
| 2012-2018 | — | (Korea Version) OEM 433.92MHz 49 Chip Boutique Smart LCD Key for BMW CAS4 EWS5 FEM SKU: PCK-BM-1058 |
| 2012-2018 | — | (BDC Model) 868MHz 7945 Chip Boutique Smart LCD Key for BMW CAS4 EWS5 FEM SKU: PCK-BM-2003 |
| 2012-2018 | — | (BDC Model) 315MHz 7945 Chip Boutique Smart LCD Key for BMW CAS4 EWS5 FEM SKU: PCK-BM-2001 |
The BMW 3 Series key operates on 434 MHz. Frequency is fixed in the key hardware and cannot be reprogrammed — a key bought on the wrong frequency will not lock, unlock or start the car.
Roughly: E90 and early F30 use CAS4/CAS4+, later F30 and G20 use FEM/BDC systems. The key must match the system - sending us a photo of your key or the system module part number lets us confirm the correct key in minutes.
The BMW 3 Series (2012-2018) uses the OEM 434MHz 49 Chip Boutique Smart LCD Key for BMW CAS4 EWS5 FEM (SKU PCK-BM-1059). Check the table above for all compatible options, verified against OEM part numbers.
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More BMW guides: CAS4+ FEM EWS5 · FEM · F Series · X5