With winter months coming, vehicles often suffer, the most basic scenario is to have difficulties starting your BMW X4 early in the day with very low temperatures. Generally speaking this is related to problems recharging the battery of your BMW X4 . There are several factors that can describe why your battery does not recharge effectively anymore, and today we will try to help you to solve this issue that can prevent you from using your car. To accomplish this, first we will describe how recharging your car battery functions, then the different problems of recharging a BMW X4, and finally how to recharge an empty car battery.

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How does recharging the battery of a BMW X4 function?

Before we describe the different complications of recharging the battery on a BMW X4 , we will describe to you how its recharging system functions so that you can discover the complications you are facing. A car battery functions like a phone battery, it will store energy to start your BMW X4 , turn on your headlights, listen to music, lower your power windows… Nevertheless all these actions will consume energy and it might deplete the energy reserve that your battery can store. To overcome this issue, the engineers have produced a component called the alternator , this component will use the energy developed by the engine of your BMW X4 to create energy thanks to a copper coil and a magnet. This energy will recharge the battery of your car . Nevertheless, keep in mind that this process can just work when your car is running, using electrical elements of your car when it is stopped will decrease the energy reserve of your car. It is considered that a battery of a xxx has a life span of 3 to 5 years.

Problems recharging a BMW X4’s battery

We will now describe the different battery charging complications on a BMW X4 you may be victim of. If your battery is not recharging because there is necessarily a issue in your electrical set up, we will now see the different cases.

Battery charging problem on BMW X4: My battery is discharging even if I am recharging it with a specific charger

In this first circumstance, it is quite possible that your alternator is dead , in fact, if you control to recharge your battery with a charger and your BMW X4 to start, the problem obviously comes from your alternator which should not be able to create any more current.

Battery charging issue on BMW X4: My car shuts off and does not start even if I have charged the battery

If you have recharged your battery and you have managed to start your BMW X4 but it switches off although you are driving and then does not start, the issue with recharging the battery of your BMW X4 is that your battery no longer holds the charge .

Battery charging issue on BMW X4: My battery is discharged nevertheless it is new

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If you’ve just bought a battery and it discharges although you’re driving, the issue most probably comes from your alternator. It cannot come from your battery, which is new and consequently holds the charge. The second opportunity is that you have a ground somewhere in your electrical system.

How to solve the issue of battery charging on BMW X4?

We will now give you the solutions according to the issue you are facing. Here are the different complications and their solutions:

  • Faulty alternator: You can try with basic mechanics to check it with a pressure gauge to find out if it’s producing power. If it doesn’t, replacing it is the best solution, depending on your motor you will pay a few hundred euros. This repair is feasible in the event that your alternator is accessible.
  • Battery that no longer holds the charge: In this case, the purchase of a new battery is the just realistic solution. Obviously, if you have already recharged it but it is still empty because it is good to be replaced, count between 60 and 100 euros depending on your engine.
  • Ground in the electrical circuit: If you cannot start your BMW X4 but your alternator and battery are in good condition, it is possible that you have a ground on your wiring harness and that you lose energy, a check by a car electrician is in this case required.

How to recharge an empty battery of a BMW X4

Finally, to recharge the empty battery of a BMW X4 there are just few solutions, using a battery charger is the most efficient solution, you can find some for 50 to 100 euros at vendors like Oscaro. Otherwise you can use cables that will just provide the energy needed to begin.

To discover more tips on the BMW X4, take a look at the BMW X4 category.