Opel Astra-Blaupunkt CAR 300(F) code pls!!!

[Sadacliev]

My problem is like this: I've baught a second-hand Opel Astra 1,7DTI and unfortunately i didn't asked the owner the radio code ,all was fine until i disconected the battery to recharge it (in winter in my country is very cold battery dies quickly)!
I need a code for a Blaupunkt radio Car 300 (F), the numbers on the radio are:
7 649 852 520
GM030MY5782612

CAR 300 (F)
90 533 422
02 1465

FD230

Thank's in advanced!
Pls help i need to listen to music, i'm addicted to it

[electricky]

try 5721