This is a genuine BMW spacer, part number 65 12 8 360 602. The number stamped on the part is 65128360602; BMW's catalog files it under the short number 8360602. You will find it on our Instruments & Electronics shelf, under Radio, amplifier, CD player.
It fits the E36 sedan and coupe (318i, 320i, 323i, 325i, 328i and M3, 1992–1999), with the M40, M42, M43, M44, M50 or M52 and other engines — and the European-market versions.
BMW draws it on the Single Components CD-6 Changer (65_0209) diagram. It weighs about 12 g (under 0.1 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.