Need code for Blaupunkt CDR500 please

[-=Fenix=-]

I lost the code
The label sais:

GM DELCO
No. 90 566 821
TYPE: CDR500(D)
2F4
Made in singapore
supplier: 4660103 MC
broadcast code: CDWN

on a smaller laber it's written : Ministereo P.T.
(D.M. 25/6/1985 - D.M. 27/8/1987)
N° 1/00677/22530

On the back of the detachable panel is written:

4 660 106 Delco
GM 90 493 281
>PA6-GF15<

On the metal closure it's written:
EN OBEN
GM 09 130 696
LIEFERANTEN - NR. 001614438

Please help me

[-=Fenix=-]

It actually appers to be not a blaupunkt, but Delco Electronics product. I also forgot to mention that it's from the new Opel Astra(2000)

[zeko]

It actually appers to be not a blaupunkt, but Delco Electronics product. I also forgot to mention that it's from the new Opel Astra(2000)

Sory not posible calculate from serial, http://www.cardecode.co.yu/tms370eng.htm