BMW Radio/Cassette Code Request

Richard New member Username: Pearls1 Post Number: 1 Registered: Oct-14	Posted on Sunday, October 12, 2014 - 21:57 GMT Looking for an unlock code on the following head unit. Here's the only markings that I see: BMW CM 5903. A20910405. This is a radio/cassette from early 90's 3 series.
decode radio Silver Member Username: Decode_radio Post Number: 382 Registered: Jan-14	Posted on Sunday, October 12, 2014 - 22:07 GMT serial numbers from radio please contakt me http://forum.kody-radio.pl
Richard New member Username: Pearls1 Post Number: 2 Registered: Oct-14	Posted on Monday, October 13, 2014 - 02:23 GMT The only other marking is: 88 88 1 600 267 Would this be the serial number?
Dekster Gold Member Username: Dekster POLAND Post Number: 1947 Registered: Sep-12	Posted on Monday, October 13, 2014 - 05:26 GMT Richard Remove the radio from the car and after all the letters and numbers on any of the labels, bar codes, and stamped metal body. contact me: http://koddoradia.pl/
Reg Rooster Platinum Member Username: Regrooster Post Number: 11760 Registered: Aug-08	Posted on Monday, October 13, 2014 - 17:03 GMT The CM5903 is an older radio using a different security system and so the code is not calculated using the Serial Number. It will require further technical advice Try emailing here restoredclassic@aol.com and they should be able to help as I know they have provided others with these old BMW radio codes Mention this Forum