How to Replace the Battery in a BMW New 3 Series Key?

1 Answers
DanielaAnn
07/29/25 10:12pm
Method to replace the battery in a BMW New 3 Series key: First, press the side button to pull out the mechanical key. Insert the mechanical key into the groove on the back cover and gently push to pop the cover open. Then, replace it with the new prepared battery. Finally, close the back cover and reinsert the mechanical key. The BMW New 3 Series is a mid-size sedan under BMW, with body dimensions of 4734mm in length, 1811mm in width, and 1455mm in height, a wheelbase of 2920mm, and a body weight of 1465kg. It has a top speed of 218km/h to 250km/h and is equipped with an inline 4-cylinder gasoline engine.
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