Condition: 100% Brand New Color: Like the picture show Button: As shown in the figure Circuit board :Yes Frequency : 315MHZ / 433mhz Battery: Yes Blade Type:HU58 / HU92 Blade Transponder: ID44(pcf7935AS /7931) Interchangable frequency instruction: Please press "unlock" button continuely, then press "trunk"button for 5 times. The frequency could be interchanged between 315mhz abd 433Mhz. This function help you save money on stock . Fitment: 1998-2005 for BMW 3 5 7 Series 1998-2005 for BMW X5 Z3 Z4 2001-2004 01 02 03 04 for BMW 330 330i 2001-2004 for BMW 525 525i 1998-2000 for BMW X5 Z3 Z4 2003-2005 for BMW 3,5,7 SERIES 2001-2004 for BMW 3 SERIES 1998-1999 for BMW 3,5,7 SERIES 1998-2000 for BMW 325 325i 325ci + i ci xi 2001-2004 for BMW 325 325i For BMW 325 330 318 525 530 540 E38 E39 E46 M5 X3 X5 E65 And other model with the same specifications of key blank and battery holder listed as below section... Important Note: 1.If your original key has the same shape,frequency and buttons it may fit.Please compare carefully before placing an order. 2.The keyblade needs to be cut at local dealer or a locksmith.You need to go to your local locksmith store to program it too.There is no manual way for a user to do it themselves. Thank you! 3.Please make sure your remote is using the same transmitter and chip as this item before buying.Please compare carefully before placing an order. 4.The image is of the real product. Not downloaded from internet. Please compare your key shell, make sure your item is as same as our product before you purchase. Package Includes: 1 X Remote Control Key