Then, turn the ignition to the “Off” position and remove the keys to stop the programming process. If there are additional keys you wish to reprogram, press the “Lock” button on them within 10 seconds after entering programming mode to reconfigure them accurately.
In this mode, press the lock button on your key fob within five seconds after hearing the lock to ensure the programming’s success. This process must be repeated about three times, so your car recognizes your key in the ignition and saves the data.Īfter completing this process, you should hear a lock sound, signaling your car’s entry into programming mode.
You can then press the lock button on your BMW key fob and turn the key back, so the vehicle goes off. Once inside, turn on the ignition to power the electrical systems but don’t start the engine. It is essential to close all doors because leaving one open can disrupt the process. Then, get into your driver’s seat with the car keys and close all doors.
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Luckily, key fob batteries are typically cheap and easy to replace, and you can even rely on your owner’s manual for guidance. For instance, you can outrightly lose power in the middle of the reprogramming, potentially leading to other issues. Doing this is advisable because a bad key fob battery can be a true headache when trying to reprogram it. You can begin your key reprogramming process by replacing the battery in the fob. Nevertheless, you can try a few sets of instructions to see which works for your BMW. There are no standard instructions to reprogram the keyless entry fob on all BMW models, so keep this in mind. When this happens, it’s important to know what to do for successful reprogramming. Your BMW key fob can malfunction or lose its signal, necessitating immediate reprogramming to reconnect with your car. 3 Final Thoughts Reprogramming Your BMW Keys
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