The battery of your vehicle is a wearing part, it is commonly considered that it will have between 5 and 6 years of life. You may have found yourself one day with a dead battery and not being able to turn on your BMW i3. And often times 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 i3? Precisely, our team has posted this content to be able to help you carry out this simple task safely. First of all, we will give you some suggestions on how to do it safely, and then we will put it into practice and how to disconnect the battery on your BMW i3.
How to disconnect the battery on my BMW i3: A few tips
First of all, before tackling how to disconnect the battery from your BMW i3, we will give you a few recommendations on how to do this process safely and save you from wasting time, some of them will certainly seem to be 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 prevent any movement of the BMW i3.
- The battery in your car is an energy accumulator, and can possibly send out a deadly charge to humans, so you will need to keep 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.
- In addition 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.
- Finally when you go to the step how to disconnect the battery on your BMW i3, 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 i3: Take action
Let’s begin now, the section that certainly brings you on this page, how to disconnect a battery on your BMW i3. So, after having taken all the safety measures we listed just above, you will finally be able to start the removal of the battery from your car. For this, it will be quite easy. First you will have to take away the plastic covers that protect the terminals of your battery. Check the state of your terminals, if they are oxidized or very dirty, we recommend 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 attached to the car chassis, if you first remove the positive terminal (red cable with a “+” sign) and touch a portion of the chassis, it would trigger a short circuit. Now you can disconnect the positive terminal of the battery from your BMW i3. Once both terminals are disconnected, you can commence the last step, disconnect the battery from the engine compartment of your car. To achieve this, 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. Be cautious though, a battery weighs very heavy, be careful and forceful, and also think about take it out vertically to prevent any acid leakage. That’s it, you have just learned the method for how to disconnect a battery on your BMW i3, if you follow all the safety guidelines, everything should go well. If you want to learn how to safely reconnect your battery, check out this content, and if you want more information about your BMW i3, we have a directory of articles dedicated to your car.
If you need more guides on the BMW i3, go to our BMW i3 category.