How to Replace the Battery in a BMW 5 Series Key Fob?

1 Answers
StDante
07/29/25 5:08pm
Replacing the battery in a BMW 5 Series key fob involves the following steps: 1. Remove the spare key located at the back of the key fob. 2. Press the key fob back cover release button to remove the back cover. 3. Take out the old battery. 4. Prepare a new battery and clean its surface with a clean tissue. 5. Insert the new battery, ensuring the "+" side faces upward. 6. After installing the battery, reassemble the key fob. 7. Verify that the key fob functions properly. Below is some relevant information about the BMW 5 Series: 1. Vehicle dimensions: Length, width, and height are 4998mm, 1901mm, and 1559mm respectively. 2. Engine type: Inline 6-cylinder gasoline engine. 3. Braking system: Ventilated disc brakes.
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