What battery does a BMW key fob take?

CR2032 battery
To replace your Comfort Access BMW Key Battery, you will need a CR2032 battery. If your key won’t open, you may have the non-comfort access version which has a built-in rechargeable battery. After the valet key is removed, you will notice a small access port on the key fob.

Do you have to reprogram BMW key fob after changing battery?

BMW key fob battery replacement is usually quick and painless, and so is programming a new BMW key. To start, you’ll still need to program the key fob once it arrives at your home near Decatur or Pekin. If you still have a working BMW key fob, your process will be different (jump down to our next section).

How long does BMW key battery last?

BMW key fob batteries need replacement every 3-5 years depending on usage.

How do I reset my BMW key fob?

When this happens, you need to reset your BMW key.

  1. Unlock your BMW using the metal key.
  2. Place the key in the ignition.
  3. Turn the key to the “On” position.
  4. Turn the key to the “Off” position.
  5. Remove the key from the ignition.
  6. Press and hold the “Unlock” button on your key. Press the “Lock” button on the key three times.

How to change BMW key battery?

Press the small tab in the key fob and pull to remove the valet key

  • After the valet key is removed,you will notice a small access port on the key fob.
  • Once removed,you will see the battery. Remove the dead battery and replace it with a new one.
  • How do I change a key fob battery?

    Insert the battery in the proper position. Gently snap the fob shell back together, making sure it snaps together completely. Try all the remote buttons to verify it is working. By noticing the signs that your key fob is giving you, it will be easy to replace the battery and restore its functionality.

    How to change the battery in a key fob?

    1) Pry the battery out with a screwdriver. The battery looks like a small, silver coin placed in fob’s center. 2) Slide the new battery into place. Fit the new battery into the slot where the old one was. 3) Screw the fob back together. Put the cover back on the fob. Push down on it so it snaps in place over the battery. 4) Test the key fob. Point the key fob at your car or other device and attempt to use it. It should work right away.

    How to replace key fob batteries?

    Open your key fob. Generally,all you need to open up your key fob is a strong fingernail.

  • Identify your battery. Now that you have the fob opened,if you have not already purchased the replacement battery,you can now see the battery type/number printed on
  • Replace the battery. Insert the battery in the proper position.