Why won't my 440i xDrive battery stay charged?

A battery that won't hold a charge is almost as good as dead. The battery might be old. Or, you may have a habit of leaving your car doors open and the cabin light at night. Stop by for a complimentary battery check at your nearest Firestone Complete Auto Care and get a handle on your car battery’s health.

What do you do with my dead 440i xDrive battery?

We recycle it! Nearly 100% of all lead-acid batteries are recyclable.

How much will replacing my BMW 440i xDrive’s battery cost if I get a DieHard battery?

You can find affordable 440i xDrive batteries by using one of our car battery coupons, when available. Plus, every DieHard battery comes with extra coverage thanks to DieHard Assurance and a free replacement warranty.

How long do car batteries last?

Car battery lifespan varies depending on a few factors, including driving conditions, accessories, how well it’s maintained, and the type of battery. On average, a car battery lasts about three to five years.

What is the white, crusty substance accumulating on my 440i xDrive’s battery post?

A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your 440i xDrive car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.

How do I clean a corroded 440i xDrive battery terminal?

To help extend the life of your battery, you should routinely inspect and clean the terminals using a baking soda and water mix, wire brush, and rag. Be sure to disconnect the battery cables before cleaning and check your 440i xDrive owner’s manual for instructions on how to do so.

Where can I purchase 440i xDrive batteries near me?

Your local Firestone Complete Auto Care sells and installs 440i xDrive batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.

2018 BMW 440i xDrive Car Batteries

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BMW 440i xDrive Batteries Near You

Don’t let a dead battery stop you. Shop replacement car batteries for your 2018 BMW 440i xDrive at Firestone Complete Auto Care.

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Battery Size & Replacement for 2018 BMW 440i xDrive

Researching battery replacements for your BMW 440i xDrive? Use the following chart to find information on BMW 440i xDrive battery size and cold cranking amps.

Battery	Engine	Warranty		Cold Cranking Amps
H8-AGM	L6/3.0L	Replacement 36 months	Performance months	900

BATTERIES
L6/3.0L - Battery: H8-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 900

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Shopping for BMW 440i xDrive Car Batteries

Sadly, your BMW 440i xDrive won't last forever. Neither will its battery. Generally, car batteries last from three to five years. Check your battery regularly and replace it as needed so it doesn’t leave you and your BMW 440i xDrive stranded. Look out for symptoms of a faulty car battery. A slow engine crank, a blinking battery or check engine light, swollen battery case, corrosion-covered posts, or dim headlights can all signal that your battery needs attention.

You can also get a Free Battery Test at your local Firestone Complete Auto Care. With computerized testing we can see how much charge is left in your battery. Visit us for a complimentary battery check and, if necessary, a battery replacement to help keep your 2018 BMW 440i xDrive running! Automotive batteries are just one of our many areas of expertise. Our technicians are well-acquainted with BMW’s service specs for 440i xDrive battery CCAs and reserve capacity. Get help figuring out the battery size that matches your vehicle, and schedule a weekday or weekend battery replacement service for your car.

Firestone Has DieHard Batteries for 440i xDrives

We know what’s best for your BMW 440i xDrive, which is why we carry just that. You need a reliable, durable and powerful battery in even some of the toughest conditions. DieHard 440i xDrive batteries surpass expectations using state-of-the-art advancements to fuel the growing power requirements of new vehicles. Don't call a DieHard battery ordinary. It's an extraordinary battery. Go with a DieHard battery for your 440i xDrive and have the peace of mind that performance will be there when you're counting on it. That's the kind of battery we deliver.

After Buying 2018 BMW 440i xDrive Battery

Got a new car battery installed in your 2018 BMW 440i xDrive? Good thinking! Give your new car battery the best start with proper care. You can take care of your battery by decreasing the number of short trips you take, keeping your battery posts clean, and avoiding radio and electronic component use when the engine is off.

Answers to Your 440i xDrive Car Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a battery question that's unique to your BMW 440i xDrive battery, stop by your nearest store. Our technicians are happy to help.

Why won't my 440i xDrive battery stay charged? A battery that won't hold a charge is almost as good as dead. The battery might be old. Or, you may have a habit of leaving your car doors open and the cabin light at night. Stop by for a complimentary battery check at your nearest Firestone Complete Auto Care and get a handle on your car battery’s health.
What do you do with my dead 440i xDrive battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
How much will replacing my BMW 440i xDrive’s battery cost if I get a DieHard battery? You can find affordable 440i xDrive batteries by using one of our car battery coupons, when available. Plus, every DieHard battery comes with extra coverage thanks to DieHard Assurance and a free replacement warranty.
How long do car batteries last? Car battery lifespan varies depending on a few factors, including driving conditions, accessories, how well it’s maintained, and the type of battery. On average, a car battery lasts about three to five years.
What is the white, crusty substance accumulating on my 440i xDrive’s battery post? A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your 440i xDrive car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.
How do I clean a corroded 440i xDrive battery terminal? To help extend the life of your battery, you should routinely inspect and clean the terminals using a baking soda and water mix, wire brush, and rag. Be sure to disconnect the battery cables before cleaning and check your 440i xDrive owner’s manual for instructions on how to do so.
Where can I purchase 440i xDrive batteries near me? Your local Firestone Complete Auto Care sells and installs 440i xDrive batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.