How to Program a BMW Master Key
- 1). Sit in the driver's side of the vehicle. Close the doors, trunk and hood.
- 2). Open the trunk door. Open and close the driver's door.
- 3). Put the key in the ignition and turn the key on and off five times. Don't start the engine. Listen for the alarm to chirp to signal that the programming mode is active.
- 4). Open and close the driver's door. Press any button on the remote you want to program. The alarm light will flash to indicate the remote was programmed.
- 5). Close the trunk door. Then close the driver's door. Listen for the alarm to confirm that you have exited the program mode.
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