We have dedicated this website to help you solve the little problems you can face with your car . In the present day, we are going to see a problem that may seem minor but that rather quickly turns out to be annoying if it is not fixed. In truth, we are going to help you to know how to replace my BMW 3 Series card battery? The benefit of cards is that they work hands-free, but with no electricity your card will be useless. That’s why, first, we will see how the card functions, then how to change the battery of the card of your BMW 3 Series?, and, finally, which is the battery that corresponds to the card of your BMW 3 Series.
How does the key card of your BMW 3 Series work?
Before we explain how to change the batteries in your BMW 3 Series hands-free card, we will fairly quickly summarize how it works and the benefits it will offer you. Who hasn’t had difficulty finding their car keys in their bag or pocket? For a few years now, car producers have been looking into this issue. With the advent of new wireless solutions, key problems will fairly quickly become a thing of the history! We are going to present you the features and operation of your car key card now:
- It uses a wireless technology that emits a frequency of 433 MHz.
- Receivers/transmitters are present on the motor vehicle and on the card so that both can communicate.
- It permits you to open the BMW 3 Series simply by passing your hand in front of the door or by pulling the handle when the card is near your car
- There are two versions of key card, one that permits to open and close like a centralized lock with the help of a press button, and the other one that allows to open without even touching the card.
- There is a spare key in the card so that you can open the door and start your BMW 3 Series if you run out of battery power.
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How do I replace the card battery of my BMW 3 Series?
We will now go forward to the part that interests you the most in this content, how to change the key card battery of an BMW 3 Series? Effectively this wireless technology requires energy to work. When the batteries of your card are flat you will not be able to wireless open the doors of your motor vehicle, but with the help of the integrated physical key you can do it physically. Concerning the ignition, all you have to do is insert the card in the slot provided for this purpose, even without a battery, it has a chip that allows your car to start. We now move on to the procedure for replacing the battery of the card in your BMW 3 Series:
- Press the button at the bottom and pull out the emergency key simultaneously.
- You will need to see a tab that will allow you to open the case of your card in half.
- Use a slim object to take off the flat battery from the card
- Install the new battery in the slot provided.
- Close the card.
- On some models it will work immediately, on others you will have to press the button 4 times to reactivate it.
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Which kind of of battery to buy for the card of my BMW 3 Series?
At last, to finish our article we will help you to choose the card battery type of your BMW 3 Series. They all look very equivalent and it is not always easy to choose the good one. It is a button size 3V Lithium CR battery, concerning the number of the battery according to the year of your BMW 3 Series, it can be either the 2016, the 2032 or the 1620.
If perhaps you have any additional questions about the BMW 3 Series, do not hesitate to consult our BMW 3 Series category.
