Question about 2004 BMW 5 Series
Enter the code using the station preset keys!
Posted on Feb 05, 2016
You will have to talk with a dealer to reset the radio. It is an anti theft feature. The dealer has the equipment to do this not your local auto parts supply or the stereo shop.
Posted on Feb 02, 2016
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Posted on Jan 02, 2017
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Dec 27, 2017 | Cars & Trucks
ENTERING SECURITY CODE
Most vehicles are equipped with Heidelberg V or VI radios that are equipped with a theft protection program. When the battery has been is disconnected or if the radio has been removed, the radio will lock-up electronically and cannot be operated until the security code is entered. On the Heidelberg V, if the proper code is not entered in six attempts, the radio will lock-up permanently and cannot be repaired. On the Heidelberg VI, two incorrect attempts will lock the radio for about 1 hour.
The Heidelberg V may have a code assigned at the factory or a personal code created by the owner. The Hiedelberg VI has a code assigned at the factory and entered by the dealer during pre-delivery inspection. New radios come with the code printed on a sticker but not entered into memory. All codes are 4 digits. To code the radio:
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