The battery of your vehicle is a wearing part, it is generally considered that it will have between 5 and 6 years of life span. You may have found yourself one day without a battery and not being able to start your BMW X3. And generally this is brought on by a battery that no longer stores energy. So in this instance, how do I disconnect the battery from my BMW X3? Precisely, our team has posted this article content in order to help you accomplish this common procedure safely and securely. First of all, we will give you some recommendations on how to do it safely, and then we will put it into practice and how to disconnect the battery on your BMW X3.

disconnect-battery-bmw-x3

How to disconnect the battery on my BMW X3: A few tips

First of all, before dealing with how to disconnect the battery from your BMW X3, we will give you a few suggestions on how to do this process securely and save you from wasting time, some of them will definitely seem evident to you, but you can never be too mindful :

  • Before doing anything on your car, you must always place it on a flat surface with the hand brake on to avoid any movement of the BMW X3.
  • The battery in your car is an energy accumulator, and can potentially generate a deadly charge to humans, so you will need to bear in mind to turn off your vehicle’s ignition and remove any jewelry or metal objects you may be wearing to be certain you take as little risk as possible.
  • Furthermore to being filled with energy, the battery will be filled with acid, a very corrosive chemical that can do a lot of damage to your skin. As a preventative measure, wear rubber gloves and goggles to protect you from splashing.
  • To finish when you go to the step how to disconnect the battery on your BMW X3, don’t touch the two terminals of your battery, you may cause a short circuit with your body as a conductor.

How to disconnect a battery on my BMW X3: Take action

Let’s commence now, the part that definitely brings you in this article, how to disconnect a battery on your BMW X3. So, after having taken all the precautions we listed just above, you will finally be able to attack the removal of the battery from your car. To do this, it will be fairly simple. First you will have to take out the plastic covers that protect the terminals of your battery. Observe the state of your terminals, if they are oxidized or very dirty, we encourage you to use a soft wire brush and baking soda to clean them before disassembling. Once the cleaning is completed, you will first have to remove the negative battery terminal of your car using a nut and bolt (this is the black cable with a “-” sign), always in this direction as it is linked to the car chassis, if you first remove the positive terminal (red cable with a “+” sign) and touch a part of the chassis, it would cause a short circuit. Now you can disconnect the positive terminal of the battery from your BMW X3. Once both terminals are disconnected, you can begin the last step, disconnect the battery from the engine compartment of your car. To do so, you just have to remove the rod and the clamp, usually held by a nut or a torx bolt, and take it out of its place. Take care though, a battery weighs very heavy, be careful and forceful, and also think about take it out vertically to steer clear of any acid leakage. That’s it, you have just learned the method for how to disconnect a battery on your BMW X3, if you respect all the safety instructions, everything should go well. If you want to learn how to safely reconnect your battery, check out this article content, and if you want more information about your BMW X3, we have a directory of articles dedicated to your car.

If you wish more tutorials on the BMW X3, go to our BMW X3 category.