Transponder Chip: PCF7945 chip. Frequency: 868mhz. Remote key. Remote Key Fob. 2007-2013 BMW X5 (E70). 2008-2013 BMW X6 (E71/E72). 2009-2013 BMW Z4 (E89). 2008-2013 BMW 1 Series (E82/88).
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