The battery of your vehicle is a wearing part, it is commonly considered that it will have between 5 and 6 years of life span. You may have found yourself one morning with a dead battery and not having the capability to start your BMW 4 Series. And in many instances 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 4 Series? Precisely, our team has made this article in order to help you carry out this common task safely and securely. First, 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 4 Series.
How to disconnect the battery on my BMW 4 Series: A few tips
First of all, before dealing with how to disconnect the battery from your BMW 4 Series, we will give you a few suggestions on how to do this operation securely and save you from wasting time, some of them will surely 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 avoid any movement of the BMW 4 Series.
- The battery in your car is an energy accumulator, and can possibly deliver a deadly charge to humans, so you will need to remember to turn off your vehicle’s ignition and remove any jewelry or metal objects you may be wearing to make certain you take as little risk as possible.
- Moreover 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 precaution safeguard, 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 4 Series, 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 4 Series: Take action
Let’s begin now, the part that surely brings you in this article, how to disconnect a battery on your BMW 4 Series. So, after having taken all the safety measures we described just before, you will finally be able to attack the removal of the battery from your car. For this, it will be fairly simple. First you will have to take away the plastic covers that protect the terminals of your battery. Observe the state of your terminals, if they are oxidized or very dirty, we advise you to use a soft wire brush and baking soda to clean them before disassembling. Once the cleaning is done, 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 connected 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 create a short circuit. Now you can disconnect the positive terminal of the battery from your BMW 4 Series. 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, commonly 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 avoid any acid leakage. That’s it, you have just discovered the technique for how to disconnect a battery on your BMW 4 Series, if you respect all the safety guidelines, everything should go well. If you want to learn how to safely reconnect your battery, check out this article, and if you want more information about your BMW 4 Series, we have a directory of articles dedicated to your vehicle.
To find more tips on the BMW 4 Series, take a look at the BMW 4 Series category.