Code for my Rover/Blaupunkt system?

Hello
I have bought a 2003 Rover 45 that did not have the radio code with it. I have tried a whole array of codes helpfully provided by good folk on this site but to no avail!!
I now have all the details as set out below & wondered if there was a a knowledgeable kind sole on the forum that may be able to assist me please??

BLAUPUNKT-WORKE GMB
BP21613208 1051
Rover CC32
7642161310
e1022257

The above is all the label details...
Please help!!!!