Replacing the battery in a BMW key fob is a simple task that can be completed in a few minutes. It is important to replace the battery when it starts to get weak, as this can lead to problems with locking and unlocking the car, as well as starting the engine. There are a few different ways to replace the battery in a BMW key fob, depending on the model of the key fob. In general, you will need a small screwdriver or a coin to open the key fob, and a new CR2032 battery.
Once you have the necessary tools, follow these steps to replace the battery in your BMW key fob: