Hi John, My daughter has just bought her first car a 05 plate nissan micra 1.5 dci and the battery has been replaced at some point and there is no radio code anywhere. it has a Blaupunkt radio the numbers i have found are: BP3349 5 81 40606 , e1(in a box), 022458 , 7 643 349 318, Nissan MM CD-K...