CAS4 315mhz Car Remote Smart Key For BMW 1 3 5 7 Series CAS4 System Auto Vehichle Alarm Keyless KR55WK49863 please don't give me have items with picture feedback... Condition: 100% Brand New Features:remote car key design: fashion car styling Material: abs+metal Color: show the picture Button:As shown in picture blade;have battery:have electronic;have transponder chip :CAS4 315MHZ Fitment: For BMW 1 3 5 7 Series CAS4 System Auto Vehichle Features: 1. The item is a new DIY remote key. Frequency 315/433/868MHz, with PCF7945 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 less 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: 1X Key 1x battery 1x electronic 1x transponder chip