For BMW EWS System Intelligent Remote Control Car Key with Integrated Chip & Battery, Frequency: 433MHz

1. This is a DIY smart remote control key with a frequency of 433MHz with integrated chip.
2. The key consists of a key housing, key blade, circuit board, integrated chip and battery, which is a complete remote control key.
3. Before using, you need to program the key and cut the key piece at the car locksmith.
4. If your key has a different frequency or chip type, please do not buy it.
5. Material: metal + plastic.