With wintertime coming, vehicles tend to suffer, the most basic situation is to have difficulties starting your BMW 4 Series early in the day with very low temperatures. Generally this is related to problems recharging the battery of your BMW 4 Series . There are several reasons that can describe why your battery does not recharge properly anymore, and in this article we will try to help you to resolve this problem that can prevent you from using your motor vehicle. To get this done, first we will describe how recharging your car battery functions, then the different problems of recharging a BMW 4 Series, and finally how to recharge an empty car battery.
How does recharging the battery of a BMW 4 Series function?
Before we summarize the different complications of recharging the battery on a BMW 4 Series , we will describe to you how its recharging system works so that you can discover the complications you are struggling with. A motor vehicle battery functions like a phone battery, it will store energy to start your BMW 4 Series , turn on your headlights, enjoy music, lower your power windows… Nevertheless all these actions will consume energy and it may deplete the energy reserve that your battery can store. To get over this problem, the engineers have developed a element called the alternator , this element will use the energy produced by the engine of your BMW 4 Series to produce energy thanks to a copper coil and a magnet. This energy will recharge the battery of your motor vehicle . Nevertheless, bear in mind that this process can only work when your motor vehicle is running, using electrical elements of your motor vehicle when it is stopped will decrease the energy reserve of your motor vehicle. It is considered that a battery of a xxx has a life span of 3 to 5 years.
Problems recharging a BMW 4 Series’s battery
We will now describe the different battery charging complications on a BMW 4 Series you might be victim of. If your battery is not recharging because there is necessarily a problem in your electrical set up, we will now see the different cases.
Battery charging problem on BMW 4 Series: 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 , indeed, if you manage to recharge your battery with a charger and your BMW 4 Series to start, the problem certainly comes from your alternator which should not be able to produce any more current.
Battery charging problem on BMW 4 Series: My motor vehicle shuts off and does not start even if I have charged the battery
If you have recharged your battery and you have been able to start your BMW 4 Series but it switches off although you are driving and then does not start, the issue with recharging the battery of your BMW 4 Series is that your battery no longer holds the charge .
Battery charging problem on BMW 4 Series: My battery is discharged although it is new
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If you’ve just bought a battery and it discharges although you’re driving, the problem most probably comes from your alternator. It cannot come from your battery, which is new and consequently holds the charge. The second possibility is that you have a ground somewhere in your electrical system.
How to resolve the problem of battery charging on BMW 4 Series?
We will now give you the solutions according to the problem you are struggling with. Here are the different complications and their solutions:
- Faulty alternator: You can try with basic mechanics to verify it with a pressure gauge to find out if it’s producing power. If it doesn’t, changing it is the best solution, depending on your motor you will pay a few hundred euros. This fix is feasible in case your alternator is accessible.
- Battery that no longer holds the charge: In such a case, the purchase of a new battery is the only realistic solution. Indeed, if you have already recharged it but it is still empty because it is good to be changed, count between 60 and 100 euros depending on your engine.
- Ground in the electrical circuit: If you cannot start your BMW 4 Series 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 verify by a motor vehicle electrician is in this case necessary.
How to recharge an empty battery of a BMW 4 Series
At last, to recharge the empty battery of a BMW 4 Series there are only few solutions, using a battery charger is the most efficient solution, you can locate some for 50 to 100 euros at vendors like Oscaro. Otherwise you can use cables that will only provide the energy needed to begin.
To find more tips on the BMW 4 Series, take a look at the BMW 4 Series category.
