My battery went dead and when I recharged it my radio needed the security code. I have "a" code that I was given when I bought the car in 2002, but I never had a reason to use it until now. Anyway, it does not work. Any ideas, or am I at the mercy of the dealer?
Reply » 1999 M3 Radio Code
Okay, I am stupid. My wife produced the correct code. I was using the one from my old 328 convertible.
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1999 M3 Radio Code