We are used to accompanying you in the small problems that go with the use of your car. In the present day, we are going to check out an issue that may seem unimportant but that rather quickly turns out to be frustrating if it is not solved. In fact, we are going to help you to know how to replace my Bmw Z4 card battery? The benefit of cards is that they work hands-free, but without electric power your card will be useless. That’s why, first, we will see how the card works, then how to change the battery of the card of your Bmw Z4?, and, at last, which is the battery that matches to the card of your Bmw Z4.

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How does the key card of your Bmw Z4 function?

Before we describe how to change the batteries in your Bmw Z4 hands-free card, we will fairly quickly illustrate how it works and the benefits it will offer you. Who hasn’t had problems finding their car keys in their bag or pocket? For a few years now, car brands have been looking into this problem. With the advent of new wireless solutions, key problems will fairly quickly become a thing of the past! We are going to show 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 Z4 simply by passing your hand in front of the door or by pulling the handle when the card is close to your car
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  • There are two types of key card, one that permits to open and close like a centralized locking mechanism with the help of a 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 Z4 if you run out of battery power.

How do I change the card battery of my Bmw Z4?

We will now move on to the part that interests you the most in this content, how to change the key card battery of an Bmw Z4? Effectively this wireless technology necessitates energy to function. 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 manually. Relating to the ignition, all you have to do is put 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 Z4:

  • 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 thing to remove the flat battery from the card
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  • 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.
  • Which kind of of battery to purchase for the card of my Bmw Z4?

    Finally, to finish our article content we will help you to choose the card battery type of your Bmw Z4. They all look very similar and it is not always easy to choose the good one. It is a button size 3V Lithium CR battery, relating to the number of the battery according to the year of your Bmw Z4, it can be either the 2016, the 2032 or the 1620.

    Whenever you have any further questions about the Bmw Z4, do not hesitate to consult our Bmw Z4 category.