Condition: Color: As picture showsButton: 3/4 ButtonsSize: 7.8cm x 4cm x 1.2cm(L x W x H)Weight: 75gFrequency: 315/433/868 MhzFCC ID:CAS4 CAS4and FEM BDCFeatues:1.The selling item is a DIY remote key. Frequency 315/433/868Mhz,with ID49 Chip.2.The remote key includes key housing, circuit board, battery and chip.3.You'll need to program the key and cut the blade at local automotive locksmith before using.4.It is suitable for your original key with the FCC ID numberCAS4 CAS4and FEM BDC. Fitment: For BMW 5 / 6 / 7 / GT / X3 / X4 SeriesF01/F02/F04/F06/F12/F13/F07/F10/F11/F18/F90/F25/F26 ( 2009 - 2018 )For BMW 1/2/3/4 SeriesF20/F21/F22/F23/F87/F30/F31/F34/F35/F80/F32/F33/F36/F 82/F83 ( 2010 - 2018 )For BMW 1 / 2 / X1 / X2 / X5 / X6 / X5M / X6M SeriesF52/F45/F46/F48/F49/F39/F15/F16/F85/F86/F54/F55/F57/F 60 ( 2014 - 2018 )Make sure the system is consistent with the frequencyImportant 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.3.No Instructions Included.Profeional Installation Is Highly Recommended!Package Includes: 1 X Car key Case 1 X Circuit Board 1 X Chip 1 X Battery