BMW G Series Key Replacement Guide
Last updated: September 2026 · Verified against OEM part numbers
Quick answer — BMW G Series
The BMW G Series (various model years) uses the N5F-ID21B smart key — 315 MHz (SKU 原厂 ID21B 宝马G底盘 315 4键菱形银 带小钥匙) — verified against the original OEM part number. See every compatible option in the table below.
- OEM part number: N5F-ID21B
- Frequency: 315 MHz
- Key type: Smart Key
- Wholesale: MOQ 5 units per SKU, models mixable in one order
Which BMW G Series key fits your vehicle?
💬 Ask on WhatsAppCompatible keys for BMW G Series
| Years | Photo | Key |
|---|---|---|
| — | — | OEM N5F-ID21B 315MHz NCF295xV 49 Chip Smart Key for BMW G Series SKU: 原厂 ID21B 宝马G底盘 315 4键菱形银 带小钥匙 |
| — | — | OEM N5F-ID21B 315MHz NCF295xV 49 Chip Smart Key for BMW G Series SKU: 原厂 ID21B 宝马G底盘 315 4键菱形黑 带小钥匙 |
| — | — | OEM N5F-ID21B 315MHz NCF295xV 49 Chip Smart Key for BMW G Series SKU: 原厂 ID21B 宝马G底盘 315 3+Panic银 带小钥匙 |
| — | — | OEM N5F-ID21B 315MHz NCF295xV 49 Chip Smart Key for BMW G Series SKU: 原厂 ID21B 宝马G底盘 315 3+Panic黑 带小钥匙 |
| — | — | OEM N5F-ID21A 434MHz NCF295xV 49 Chip Smart Key for BMW G Series SKU: 原厂 ID21A 宝马G底盘 4键菱形银 带小钥匙 |
| — | — | OEM N5F-ID21A 434MHz NCF295xV 49 Chip Smart Key for BMW G Series SKU: 原厂 ID21A 宝马G底盘 4键菱形黑 带小钥匙 |
| — | — | OEM N5F-ID21A 434MHz NCF295xV 49 Chip Smart Key for BMW G Series SKU: 原厂 ID21A 宝马G底盘 3+Panic银 带小钥匙 |
| — | — | OEM N5F-ID21A 434MHz NCF295xV 49 Chip Smart Key for BMW G Series SKU: 原厂 ID21A 宝马G底盘 3+Panic黑 带小钥匙 |
| — | | (For South Korea) OEM ID21C 433.92MHz NCF295xV 49 Chip Smart Key for BMW G Series SKU: 原厂 ID21C 宝马G底盘 4键菱形银 带小钥匙 韩国用 |
| — | | (For South Korea) OEM ID21C 433.92MHz NCF295xV 49 Chip Smart Key for BMW G Series SKU: 原厂 ID21C 宝马G底盘 4键菱形黑 带小钥匙 韩国用 |
| — | | (For South Korea) OEM ID21C 433.92MHz NCF295xV 49 Chip Smart Key for BMW G Series SKU: 原厂 ID21C 宝马G底盘 3+Panic银 带小钥匙 韩国用 |
| — | | (For South Korea) OEM ID21C 433.92MHz NCF295xV 49 Chip Smart Key for BMW G Series SKU: 原厂 ID21C 宝马G底盘 3+Panic黑 带小钥匙 韩国用 |
Before you order
- Match the year range — BMW changed key systems across model years. Check your registration year.
- Check your current key — the OEM number printed on your key matches the table above.
- Programming — smart keys need a compatible programmer (Xhorse, VVDI, Autel). We can advise which one works for each key.
Frequently asked questions
What frequency is the BMW G Series key?
The BMW G Series key operates on 315 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.
Which key fits my BMW G Series?
The BMW G Series (various model years) uses the OEM N5F-ID21B 315MHz NCF295xV 49 Chip Smart Key for BMW G Series (SKU 原厂 ID21B 宝马G底盘 315 4键菱形银 带小钥匙). Check the table above for all compatible options, verified against OEM part numbers.
Do you supply BMW G Series keys wholesale?
Yes. We supply locksmiths and key distributors at wholesale prices with MOQ from 5 units. Message us on WhatsApp for today's price list.
Can a BMW G Series key be programmed without the dealer?
In most cases yes, using tools like Xhorse, VVDI or Autel. We can advise the right programmer for each key SKU.
Ready to order a BMW G Series key?
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