Condition: 100% Brand New Battery: No (Fit CR2032)Frequency: 315MHz FSK, 433.92MHZ FSK 868Mhz FSK, 315LP ASK, OptionsManufacturer: AftermarketTransponder Chip: PCF7953 / HITAG 2 / 46 CHIPFCC ID: KR55WK49127 / 5WK49124/ 5WK49125Part No.: KR55WK49123 or KR55WK49186System: CAS3, CAS3+ Fitment: 2007-2013 for X5 (E70)2008-2013 for X6 (E71/E72)2009-2013 for Z4 (E89)2008-2013 for 1 Series (E82/88)2005-2011 for 3 Series (E90/91)2007-2013 for 3 Series (E92/93)2006-2010 for 5 Series (E60/61)2006-2010 for 6 Series (E63/64)2002-2009 for 7 Series (E65/66)2010-2012 for 7 Series (F01/02/04)(E60, E61, E63, E64, E70, E71, E72, E87, E88, E82, E90, E92, E93.).... Important Note: 1. Please Check and make sure your remote is using the same transmitter and chip as Our items before buying.2. The image is of the real product. Please compare your Car Key, make sure your item is as same as our product before you purchase.3. The key is suitable for your Original key Frequency same Chip ID46 Key Only.4. If the model number isn't exactly the same, please don't buy. It will not work correctly.NOTE: our car key is the 100% brand new, when you got the car key, please ask the local dealer/ car locksmith help you program it well. then ready. Package Includes: 1 X Remote Key FAQ1: why I bought the 868Mhz reading as 433Mhz? Please check our video or the description notice, please use the tool which have frequency band , and choose the correct band. then read the frequency. or you can check the frequency on our circuit board words notice also(have a capacitance on the frequency. FAQ2: Why my key frequency can not be swithed? Please sure you order the exchangeable frequency circuit board which one is expensive.then can swiththe frequency.the single frequency choice car key is not allow to exchange the frequency.