2020 BMW 840i xDrive Batteries

Get a New BMW Battery

Get a New BMW 840i xDrive Battery

Don’t let a dead battery stop you. Shop replacement car batteries for your 2020 BMW 840i xDrive at Firestone Complete Auto Care.

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Battery Size & Replacement for 2020 BMW 840i xDrive

Researching battery replacements for your BMW 840i xDrive? Check the chart to find the right car battery size and cold cranking amps for your 840i xDrive.

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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Buying a Replacement Battery for BMW 840i xDrive

You can pretty much drive your BMW 840i xDrive until you don't want to anymore. But your 840i xDrive's battery? Don't count on it to last forever. The average car battery lasts three to five years. Check your battery regularly and replace it as needed so it doesn’t leave you and your BMW 840i xDrive stranded. Watch for signs that your current battery is getting too old or too weak. A lagging starter, an illuminated battery or check engine light, swollen battery case, corrosion-covered posts, or dim headlights can all be signs that your battery is waving goodbye.

Plus, at Firestone Complete Auto Care, we’ll test your battery for free. With best-in-class tools we can tell you how much "life" is left in your battery. Drop in for a free battery check and, if needed, get your BMW 840i xDrive a replacement battery. Car batteries are one of our many specialties! Our technicians are familiar with BMW-specific recommendations for 840i xDrive battery CCAs and reserve capacity. Get help identifying the type and size of battery that fits your car perfectly, and schedule a weekday or weekend battery replacement service for your car.

Firestone Has DieHard Batteries for  840i xDrives

We know what’s best for your BMW 840i xDrive, which is why we only carry top-of-the-line replacement parts and batteries. You need a reliable, durable and powerful battery in extremely hot and cold environments. DieHard batteries shatter expectations using state-of-the-art advancements to satisfy the expanding power demands of modern vehicles A DieHard battery isn't an ordinary car battery. It's extraordinary. Buy a DieHard battery for your BMW 840i xDrive and drive with confidence knowing that performance will be there when you're counting on it. That’s why you should choose batteries from Firestone Complete Auto Care.

Making Your 840i xDrive’s New Battery Last

Got a new car battery installed in your 2020 BMW 840i xDrive? Good thinking! Give your new car battery the best start with proper care. turning off all of the lights when you leave your vehicle, decreasing the number of short trips you take, cleaning your battery posts, and avoiding radio and electronic component use when the engine is off.

Top 840i xDrive Car Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a 840i xDrive-specific battery question, pay us a visit. Our technicians have the answers.

  • Why won't my 840i xDrive battery stay charged? A battery is in its final hour when it will no longer hold a charge. It may be getting old. Or, you’ve been leaving the doors slightly open and the lights on overnight. Stop by for a free battery test at your favorite Firestone Complete Auto Care and get a handle on your car battery’s health.
  • What happens to my old 840i xDrive battery? We recycle it, taking care of both your car and the Earth.
  • How much will replacing my BMW 840i xDrive’s battery cost if I get a DieHard battery? Get affordable prices on BMW 840i xDrive batteries by using one of our limited-time battery deals. Plus, all DieHard car batteries come with a free replacement warranty and extra coverage with DieHard Assurance.
  • How long can I expect my car battery to last? A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.
  • What is the white, crusty stuff around my 840i xDrive’s battery post? If you notice white, crusty stuff around the battery terminals of your 840i xDrive, it's likely corrosion. A chemical reaction between battery acid and the air can create a white, powdery substance that builds up over time on the terminals. This buildup can interfere with the electrical connection between the battery and your 840i xDrive’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
  • How do I remove corrosion from my 840i xDrive car battery? Regularly inspect the terminals and clean them with a mixture of baking soda and water, a wire brush, and a rag. Disconnect the battery cables before cleaning to help avoid the risk of electrical shock. Always reference and follow the instructions in your vehicle owner’s manual prior to disconnecting the battery cables.
  • Where can I find a battery for my 840i xDrive? When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install 840i xDrive batteries at our stores nationwide — and our Firestone Direct mobile vans can provide convenient on-site battery services. Learn more about our mobile battery services and book an appointment.