BMW Brand OEM Auxiliary Audio Connection Retrofit Cable E39 E83 X3 E53 X5 E85 Z4This is a brand new genuine BMW Auxiliary Connection Retrofit Cable for a BMW E39 5 Series (2003 model year), E46 3 Series (2003 2006), E60 E61 5 Series (2004 2007), E63 E64 6 Series (2004 2007), E83 E83 LCI X3 (2004 2010), E53 X5 (2003 2006), and E85 E86 Z4 (2003 2007). We saw this and thought, "What a neat cable that is. I wonder what it does?", and thus, we ordered it in. I can tell you it's a genuine BMW cable kit, and appears to connect to your