Keyecu Remote Key 3 Button For BMW 3 5 7 SERIES E38 E39 E46 With Chip 315MHZ/433MHZ HU58 This is a new full remote key support both 315MHz and 433MHz This remote key using a PCF7946 chip you need cut and program this key at a automotive locksmith Please make sure your key is the same with the picture shows before placing order Package Include: 1 X Remote Key