Bmw battery charge specs

Written by herman cruz
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Bmw battery charge specs
There are various things to consider when charging a BMW's battery. (George Doyle/Stockbyte/Getty Images)

BMW automobiles use a 12-volt battery that is essential to start and operate all its intricate electronic features such as its computer screen that links you to the GPS system, phone, emergency assistance as well as various other functions. The Amp Hour (Ah) required for your BMW depends on the model you have. Charging a BMW battery is not a complicated procedure; however, the BMW's series determines the approach you must take to charge it.

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Battery Specifications

BMW batteries are 100 per cent maintenance-free. This means that you do not have to you to refill them with water from time to time. The maintenance-free batteries BMWs use last longer than the low-maintenance batteries and charge faster. According to the 2011 X5-X6 owner's manual, the maintenance-free battery in a BMW lasts for the life of the battery when you operate the vehicle in a temperate climate.

Significance

The wiring system of a BMW vehicle is 12 volts. Therefore, you must ensure the device output you are using to charge the battery is of 12 volts and its Ah capacitance is approximately the same as your battery. The Ah of your BMW's battery is printed on the battery's casing, and displayed beside where it says "Ah."

Charging Battery

A BMW battery can be charged with a battery charger or with cables that pass charge using another car. The efficiency and speed of the charge will depend on how dead your battery is. For instance, if your X-series battery is completely dead and you are using a charger, you will need to charge the battery for no less than 12 hours. On the other hand, if you are passing a charge using another vehicle, it will charge faster; however, you will have to drive the car for at least 20 minutes so the battery gets a complete charge. Like with other vehicles, when charging X-series BMW batteries the alligator clamps connect red (positive) to red, and black (negative) to black. For safety reasons, the owner's manual for the X-series BMW advises you to use fully-insulated clamp handles.

Charging Location

You can charge your BMW's battery directly from the battery or using the jump or charging posts found under the hood. The battery of a BMW is located in the boot; however, the specific location depends on the model. Most models have the battery in the right side compartment of the boot. Other BMWs have it in the centre region of the boot, under the cover and below the spare tire.

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