Try here for part numbers
http://www.realoem.com/bmw/showparts...87&hg=65&fg=10
This should work. That is if you want the correct mounitng kit.
For some reason is states for a 10 disk changer. It looks like the one in my car. I have a BMW/pioneer changer.

Originally Posted by
E34 530
I bought a CD changer off of ebay and when it finally arrived, I think (I never found out or was able to figure out) it was missing several mounting pieces and/or brackets. Making several trips to different dealers and having no luck, I decided to rig up the Cd changer. I was looking around the trunk trying to figure out what I can do to mount the changer when the piece was staring me right in the face. You know the metal ring that secures the spare tire to the shaft with the wing nut? Bingo. I was able to find a screw in my garage and screw the spare tire ring into the top of the trunk. The changer then mounted to the spare tire disk and the rest is history. Finally, I added a piece of foam to absorb some of the hard bumps and it was good to go. No skipping or anything so far. It's the little (free) cheap fixes that make you appreciate your wallet lol.
Don't know if you can see the yellowish metal disk at the top of the picture, but that's the metal disk that secures the spare tires to the connecting rod.

Thanks,
1995 525i Auto, M50TU 2.5L, EAT chip, 1/95 build, USA, 205/65/15 tires, ASC+T, HID, lumbar, EC Mirror, BMW Alpine 5 radio with BMW-Pioneer CD Changer, abt 236k miles, Oxford Green/Parchment