b16wrm

hi there everyone, i have an 02 x5 which has a 6disc multi changer in the boot and a screen up front, i want to play a cd yesterday and all my screen keep saying is "NO DISC" even that i had a full cartridge of disc's. can anyone help me please. 1) the cartridge goes in it makes a noise 6 times then stops, but dont think it pulls the cd in and out 2) i did have mickey cds in it but now changed them for originals still no luck 3) ejected it pushed back in a few time. 4) all cds are in the right way up help needed please does anyone know repairer i could use if i cant do anything with it. i would appreciate all your views on this