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How do I change the battery on a BMW 1 series key fob?

My BMW isn’t responding to its key fob anymore, and I have to imagine that the battery is dead but I’m not sure how to fix it. How should I change the battery of a BMW 1 series key fob?

avatar
Ben Guess · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
I’m sorry that your battery died, but I’m happy to say it’s a simple fix! To change the battery on a BMW 1 series
key fob
, start by removing the metal key. Here’s what to do next:
  • Turn the remote over. The battery should be under the back cover.
  • Remove the cover. If you need something to pry it up with, the metal key will work nicely.
  • Take the old battery out and replace it with a new one.
  • Snap the back cover in place.
And with that, you should be set to go!
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Best of luck with changing the battery; you’ve got this!
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