How Long Does A BMW Battery Last?

The BMW battery is not just a power supply system, it helps to operate various important systems to function properly.

So, it needs to be replaced at a certain time to keep all the systems running smoothly.

But you don’t know how long does a bmw battery last? so, in general, you should replace your BMW battery every 4-6 years.

However changing the battery every 5 years is a good practice so the different electrical functions work properly, without any disruption.

But there’s lots to know before replacing your BMW battery. The BMW battery may last 4-6 years but various factors can influence the lasting period.

So, let’s know about that.

Table of Contents

Average BMW Battery lifespan

On average, the BMW battery may last 4-6 years.

However, the lifespan will depend on many different factors, about your driving style, location, usage patterns, etc.

Some battery lifespan may exceed the average lifespan due to proper maintenance and less usage, and some may only last 2-4 years.

So, many different things can influence the average lifespan of your BMW.

Also Read: How To Open BMW Trunk With The Battery Disconnected

Symptoms Your BMW Needs It Battery Replaced

It’s very important to know when it’s time to change your BMW battery.

And to do that you have to look for the symptoms and warnings that indicate the battery is dead/ there’s less voltage.

So, if you don’t know how to identify your BMW needs its battery replaced, then don’t worry, here are some of the common symptoms:

Your “Check Battery” dashboard light is on
The headlight is dimmed compared to the usual
Unusual power fluctuations very frequently
The engine takes longer to start when turning the key or pushing the start button
Frequently need to jump start your car
Vehicle systems don’t work properly, such as the auto-dimming mirror
Many electric systems will not work properly, such as the air conditioner or radio
You’ll face many electrical issues while driving

So, these are some of the basic symptoms that you need to replace your BMW battery.

However, there can be many other complicated symptoms that will indicate your BMW battery is draining, to identify those you need to visit your BMW dealership or any authorized auto shop.

Factors Affecting Battery Lifespan

There are various factors that affect your BMW’s battery lifespan.

So, let’s see the factors which affect the battery lifespan.

Driving Style: Very frequent short trips put more pressure on the battery, which ultimately reduces the battery life. The driving style is a big factor influencing battery lifespan.
Jump Starts: With every jump start you perform the battery life decreases.
Stop & Go: If you regularly face stop & go traffic situations, you probably reducing your battery life. With frequent braking & acceleration don’t give time to the alternator to recharge as it takes more energy.
Climate: In Very hot weather the battery fluid quickly evaporates and in extremely cold weather can reduce the battery power. Which ultimately reduces the battery lifespan.
Strong Vibrations: If the battery’s clamps are loose or you’re driving a rough road this can cause Vibrations, which will break the internal battery components very fast.
Usage: The battery lifespan will also depend on your usage, it’s how many electronic systems, AC, seat heaters, and other systems you use regularly.

If you do proper maintenance of your battery according to the BMW owner’s manual, you could significantly increase the battery life.