Specs Cars

How to Enter the Radio Code for a BMW 850

1. Secure the battery terminals so that there is a positive connection and so that you do not trip the radio shut-off mechanism locking the 850is radio. Turn the retaining nut on the positive and negative battery terminal clockwise until the cable clamps are secure and tight on the battery terminals.
2. Turn the key in the ignition to the II position.
3. Turn on the radio by pressing the power button on the radio. The words CODE will flash on the radio display screen.
4. Enter the radio code given to you by BMW using the numbers on the radio receiver unit. If you do not have the radio code, you will have to contact a BMW dealership to retrieve the code for your specific vehicle.