Condition: 100% Brand New Features:remote car key design: fashion car styling Material: abs+metal Color: show the picture Button: 4 Buttons blade;HAVE battery:yes circuit board;yes transponder chip:315/433MHz Weight: 30g Fitment: For BMW E38 E39 E46 X3 X5 Z3 Z4 1/3/5/7 Series And other model with the same specifications of key blank and battery holder listed as below section... Features: 1. The item is a new DIY remote key. Frequency315/433 Mhz, with ID44 blank chip. 2. The key includes key housing, circuit board, chip and battery. It's a full remote key. 3. You'll need to program the key and cut the blade at locl automotive locksmith before using. Important Note: 1.You need to go to your local dealer or Locksmith shop to cut the key and program to your car,Locksmith should charge le than Dealer. 2.Please make sure your key is exaxtly same as ours, if you are not sure please send your original key photo to us for confirming, we will help you to buy the correct key. Package Includes: 1xkey 1xbattery 1xcircuit board Important Note:please check your FCC ID and the same key shape with your key.