Alpine CM5907 in BMW,have a code,still can't activate

Frank Swift New member Username: Fdswift Post Number: 1 Registered: May-12	Posted on Monday, May 14, 2012 - 23:44 GMT Hello,I have an Alpine CM5907 cassette serial #A61235561;Made in Japan.Pulled out stereo and someone had written "radio code #25533".Can this number be confirmed with above info.There is a cassette stuck inside if that matters.I've tried a few tricks prior to entering code but nothing has worked.Nany suggestions? Thanks,Frank
elektron1234 Silver Member Username: Elektron1234 Poland Post Number: 274 Registered: Jan-12	Posted on Tuesday, May 15, 2012 - 10:31 GMT hello Tri only once!!!!!!! code 63654
Reg Rooster Platinum Member Username: Regrooster Post Number: 10358 Registered: Aug-08	Posted on Tuesday, May 15, 2012 - 14:56 GMT The CM5907 is an old Alpine unit that does not use the normal memory chip (EEPROM) system for a code and will require further technical advice.. Try emailing restoredclassic@aol.com Mention this forum