BMW keys are roughly divided into five types: G chassis key, F chassis key, I chassis key, E chassis key, LCD key.
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Among them, the G chassis key is our common blade key, first press the button on the side, pull out the mechanical key, and then insert it into the groove of the back cover, and gently put the back cover will pop out. We can replace the prepared new battery, finally cover the back cover, insert the mechanical key, the battery replacement is completed;
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The E Chassis key does not need to replace the battery, just place it in the starting slot and it will automatically charge.
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Finally, the BMW LCD key does not need to be opened to replace the battery, because it can be charged through the adaptive charging cable or the wireless charging module in the car trunk.
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As for how to buy the battery, you can enter the battery model on the front of the battery, search and buy on a treasure. Guys, did you learn?
1, first of all, pull out the spare key that exists behind the key.
2, then gently pry open the back cover with your hand or spare key.
3. Prepare a sharp object and gently pick out the battery.
4, Prepare a new battery, wipe the battery surface with a clean paper towel.
5. Then use a paper towel to push the battery into its original position.
6. Then close the back cover.
7, it is best to put back the spare key to complete.
First take out the hidden mechanical key, and then with the help of the mechanical key that has just been taken out, insert it into the identification position, and then use the lever movement to lift the key shell, the key shell opens, you can see the position of the battery, gently pry out the old battery, and then replace it with a new one.