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Discussion Starter · #1 ·
Hello Festers,

I have talked with BMW of North America & 3-dealers, one of which sold the vehicle new. None were able to locate a code from their data base with the serial number stamped on the radio, or from the paper tag attached with the MDL Number & P-No. Here are the numbers. It would seem to me that the information is "out there somewhere" or an override code, or the ability to remove/add a personal code. I have literally spent 16 man hours talking to people on the phone and/or researching on the Web. I am at my wit's end.
I also need help on how to enter the radio code (The owners manual states there is a separate booklet for radio operation which I cannot seem to find anywhere.

Thanks All (I know there's a saint out there somewhere with the answers)

Radio Serial number: F40192898B
MDL Number: CM5903L
P-NO: 90881600303
Version 3
 

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Discussion Starter · #4 ·
I have to say that if three reputable dealers told me the code is not in the database (they all use the same one supposedly provided by BMW of NA) I could call 2-dozen others and get the same answer (GIGO). The numbers are CORRECT so that is'nt the issue. I've read several forums where owners have the identical MDL NO & PN as mine. A number of replies provided codes (where they got them is beyond me). Some worked, some did'nt. I'll try the codes that worked for the owners and see what happens. The worst that can happen is I'll be locked out for an hour at a time. The code input info is invaluable-thanks much.
 

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Discussion Starter · #7 ·
Thank you; call me stubborn, but the closest multi-brand dealer has me in their database for a different vehicle and the service manager already tried helping me with this. He could not find the code in their data base for codes, and I'm quite positive he would have suggested bringing the car in if he thought it would solve the mystery. It's as if the serial number was never input into the data base, or deleted somehow if it ever was. I received the following reply from [email protected], whom many told me could resolve:
"Subject: BMW Alpine CM5903 Radio Code Thanks for your email. Yes...we should be able to get your radio working again. The code for your BMW radio ,Alpine CM5903 does not use the normal memory chip for its security code. It uses a hardwired solder tag system inside your radio . So if you are happy to open up your radio , can take a photo of the relevant tags and can possibly use a soldering iron then please email and we will advise you further. With ComplimentsFor free advice + codesfor Ford + most Blaupunktplus many Philips, Grundig ,CHRYSLERsome Clarion + Becker+ a few others www.ukbookshelf.co.uk"
 

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Discussion Starter · #9 ·
The Stealer was'nt going to look up the code until he realized that my other car has been serviced on a regular basis at their service department and I was'nt one of the bad guys in A&E's "Jacked"- then he changed his tune. The people at [email protected] must be hitting the pipe. Stubborness sometimes pays off. You'd think that a mystery with so many clues could be solved a lot easier. Guess it's a sign of the times.
 
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