DescriptionOrigin : CN(Origin)Customization : NoR/C Function : withoutInterchange Part Number : for BMW E38 E39 E46 X3 X5 Z3 Z4 1/3/5/7 SeriesManufacturer Part Number : 315Mhz / 433MhzOther Part Number : ID44 ChipMaterial Type : ABSCountry/Region of Car Manufacture : In ChinaIf you want to cut/copy the key blade, please click here to pay the cutting blade extra fee.Condition: Color: Like the picture showButton: 3 ButtonsCircuit board :YesFrequency : 315MHZ / 433mhzBattery: YesBlade Type:HU58 / HU92 BladeTransponder: ID44(pcf7935AS /7931)Interchangable frequency instruction:Please press unlock button continuely, then press trunkbutton 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 Series1998-2005 for BMW X5 Z3 Z42001-2004 01 02 03 04 for BMW 330 330i2001-2004 for BMW 525 525i1998-2000 for BMW X5 Z3 Z42003-2005 for BMW 3,5,7 SERIES2001-2004 for BMW 3 SERIES1998-1999 for BMW 3,5,7 SERIES1998-2000 for BMW 325 325i 325ci + i ci xi2001-2004 for BMW 325 325iFor BMW 325 330 318 525 530 540 E38 E39 E46 M5 X3 X5 E65And other model with the same specifications of key blank and battery holder listed as below section...ImportantNote: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 KeyClick here to buy a new silicone case to protect your car key.