The list is compatible with: <img alt="" src="http://www.tomtop.com/images/yinyong/K1613.jpg" /> Features: This item isn&#39;t a remote key and it is just a remote key shell case replacement. Key case and uncut key blade only. Not electronic internals. Best replacement for a key with broken buttons or worn key case. There is NO interior (remote/electronics/transponder chip)unit inside. Just cut the key blade,take the internal electroni(include immobilizer/transponder chip) from original remote and place them to our key shell,then you are ready! Specifications: Compatible with: for BMW 3 5 7 Series 1998-2005 for BMW X5 Z3 Z4 1998-2005 for BMW 330 330i 2001 2002 2003 2004 01 02 03 04 for BMW X5 Z3 Z4 2001 2002 2003 2004 2005 for BMW 525 525i 2001-2004 for BMW X5 Z3 Z4 1998-2000 for BMW 3,5,7 SERIES 2003-2005 for BMW 3 SERIES 2001-2004 for BMW 3 5 7 SERIES 1998-1999 for BMW 325 325i 325ci i ci xi 1998-2000 for BMW 325 325i 2001-2004 for BMW 325 330 318 525 530 540 E38 E39 E46 M5 X3 X5 E65 Manufacturer Part Number: 378 Interchange Part Number: HU58 KEY CASE Product size: 7.0 * 3.8 * 1.5cm / 2.8 * 1.5 * 0.6in Product weight: Approx. 38g / 1.3oz Package size: 7.0 * 3.8 * 1.5cm / 2.8 * 1.5 * 0.6in Package weight: Approx. 39g / 1.4oz Package list: 1 * Key Shell Case