Compatible with: BMW X5 E53 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009. HQRP Remote Key Shell Case FOB. It s a premium quality detachable remote key shell and uncut key blade. Please note this is just a Key Cover shell there is NO interior (remote/electronics/transponder chips) inside. You just need to transfer electronics and battery from you old key fob to this new case and ask a local dealer or a locksmith to cut a new key. Please note that transportation of lithium batteries requires special conditions which may cause longer delivery times. Therefore the approximate delivery time for lithium batteries is 4-10 business days. Disclaimer: This is not an Original Equipment Manufacturer (OEM) product HQRP branded product is a replacement. All brand names and logos are registered trademarks of their respective owners. Any use of the brand names or model designations for this product are made solely for purposes of demonstrating compatibility.