Replacement Folding Remote KPU41788 For Mazda 3 5 6 CX-7 RX-8 CX-9 MX-5 Miata 4D63 Smart Car Key BGBX1T478SKE125-01 Fob Features:100% Brand new and High Quality 1 - This is for you to replace your worn or broken Remote Key.New Remote Smart Key suitable For MAZDA 3 5 6 MX-5 Miata CX-7 CX-9 RX-8 CX-9 key. 2 - Best replacement for broken or worn keys,or great for an additional key. 3 - Remote control frequency 313.8MHz / 315MHz + battery 4 - It is suitable for model numberKPU41788/BGBX1T478SKE125-01 5 - You ll need to program the key and cut the blade at local automotive locksmith before using. 6 - You need to cut the key blade and program to match with your car at a Authorized automotive locksmith shop.Most locksmiths now provide such services,and charge much less than the dealer. Note : I f the chip or key blade type isn t the same, please don t buy. It will not work. How do I know this key is suitable for my car? your original key is smart key. your original key has the same buttons. your original key has the same frequency. If above items match, it s OK to buy this product.