Why won’t my M850i xDrive battery hold a charge?

A battery that won't hold a charge is almost as good as dead. The battery may be too old. Or, you’ve been leaving the doors slightly open and the lights on overnight. Stop by for a complimentary battery check at your nearest Firestone Complete Auto Care to learn more about the state of your battery.

What do you do with my old M850i xDrive battery?

We’ll recycle your car battery for you!

How much do DieHard batteries cost for your BMW M850i xDrive?

You can find affordable M850i 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 often should I replace my car battery?

A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.

Why is there white, flaky stuff around my M850i xDrive’s battery post?

The white, crusty stuff that can accumulate around M850i xDrive car battery terminals is called corrosion. It is caused by a chemical reaction between the battery acid and the air, which creates a white, powdery substance that can build up on the terminals over time. Corrosion can interfere with the flow of electricity between the battery post and the car's electrical system, sometimes leading to poor electrical performance, difficulty starting, and even premature battery failure.

How do I clean corrosion off my M850i xDrive vehicle battery?

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 M850i xDrive owner’s manual for instructions on how to do so.

Where can I purchase M850i xDrive batteries near me?

Your local Firestone Complete Auto Care sells and installs M850i xDrive batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.

2020 BMW M850i xDrive Car Batteries

Get a New BMW Battery

Get a New BMW M850i xDrive Battery

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 2020 BMW M850i xDrive today and schedule a quick installation at Firestone Complete Auto Care.

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2020 BMW M850i xDrive Battery Replacement & Size

Researching battery replacements for your BMW M850i xDrive? Use this chart to find the right battery size and CCAs for your BMW M850i xDrive.

Battery	Engine	Warranty		Cold Cranking Amps
H8-AGM	V8/4.4L	Replacement 36 months	Performance months	900

BATTERIES
V8/4.4L - Battery: H8-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 900

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Shopping for BMW M850i xDrive Car Batteries

Your M850i xDrive doesn't have an expiration date, but its battery does. Generally, car batteries last from three to five years. Don’t get stranded by your M850i xDrive’s car battery. Replace it regularly instead! Watch for signs that your current battery is getting too old or too weak. A slow engine crank, a blinking battery or check engine light, swollen battery case, corroded battery posts, or faded headlights may all indicate that your battery needs attention.

You can also get a Free Battery Test at your local Firestone Complete Auto Care. Our equipment can see how much charge is left in your battery. Stop by for a free battery test and, if needed, get your BMW M850i xDrive a replacement battery. Car batteries are one of our many specialties! Our technicians are familiar with BMW-specific recommendations for M850i xDrive battery cold cranking amps and reserve capacity. Get help choosing the battery size that's best for your M850i xDrive, and schedule a weekday or weekend battery replacement service for your car.

Is There a DieHard Battery for M850i xDrives?

We know what’s best for your BMW M850i xDrive, which is why we carry just that. You need a reliable, durable and powerful battery in even the most extreme conditions. DieHard M850i xDrive batteries surpass expectations and house the latest technology to meet the expanding power requirements of modern vehicles A DieHard battery isn't an ordinary car battery. It's extraordinary. Buy a DieHard battery for your BMW M850i xDrive and have the peace of mind that performance will be there when you need it most. That’s why you should choose batteries from Firestone Complete Auto Care.

Making Your M850i xDrive’s New Battery Last

Did you recently have a new 2020 BMW M850i xDrive car battery installed? Congrats! Now, help it last longer and stay charged by caring for it from the get-go. ensuring all the lights are turned off before you leave the car, limiting short trips, keeping your battery posts clean, and not using electronics such as the radio and power outlets when the engine is off.

Answers to Your M850i xDrive Car Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have a battery question that's unique to your BMW M850i xDrive battery, pay us a visit. Our expert techs have the answers you need.

Why won’t my M850i xDrive battery hold a charge? A battery that won't hold a charge is almost as good as dead. The battery may be too old. Or, you’ve been leaving the doors slightly open and the lights on overnight. Stop by for a complimentary battery check at your nearest Firestone Complete Auto Care to learn more about the state of your battery.
What do you do with my old M850i xDrive battery? We’ll recycle your car battery for you!
How much do DieHard batteries cost for your BMW M850i xDrive? You can find affordable M850i 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 often should I replace my car battery? A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.
Why is there white, flaky stuff around my M850i xDrive’s battery post? The white, crusty stuff that can accumulate around M850i xDrive car battery terminals is called corrosion. It is caused by a chemical reaction between the battery acid and the air, which creates a white, powdery substance that can build up on the terminals over time. Corrosion can interfere with the flow of electricity between the battery post and the car's electrical system, sometimes leading to poor electrical performance, difficulty starting, and even premature battery failure.
How do I clean corrosion off my M850i xDrive vehicle battery? 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 M850i xDrive owner’s manual for instructions on how to do so.
Where can I purchase M850i xDrive batteries near me? Your local Firestone Complete Auto Care sells and installs M850i xDrive batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.