So today when I hit cd 5, my cd changer suddently stopped working, now it says CDC Error and won't eject the cd cartridge

My question, my 2005 has 34,000 miles on it
It has factory nav, so I bought a BMW CD Changer (from a 2003 X5) and had the dealer install it in the service drive

How will the dealer treat this? I'm trying to get this covered as a warrenty claim because my car is under warrenty and it's a BMW CD changer??

any insight would really help

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The Present:
2014 Audi Q5 TDI Prestige
The Past:
2013 Lexus GS350
2013 VW Golf TDI
2007 BMW X5 4.8i LOADED & Loved
2009 VW Jetta
2008 VW Touareg VR6
2005 BMW X5 3.0i
2005 BMW Z4 3.0i
2004 BMW X5 3.0i
2003 BMW 325i
2000 Ford Explorer Eddie Bauer 4x4