Why won’t my 318i battery hold a charge?

A battery that won't hold a charge is almost as good as dead. The battery might be old. Or, you may have been leaving your car doors ajar and the dome lights on during the night. Stop by for a free battery test at your local Firestone Complete Auto Care and learn more about your battery's charge.

What do you do with my old 318i battery?

We’ll recycle your car battery for you!

What’s the cost of DieHard batteries for BMW 318is?

You can find affordable 318i 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?

The typical 12-volt car battery may last three to five years, depending on the type of battery, the driving conditions, and how well the battery is maintained.

What is the white, crusty substance accumulating on my 318i’s battery post?

If you notice white, crusty stuff around the battery terminals of your 318i, 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 318i’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.

What do I do about corrosion on my 318i car battery?

Regularly inspecting and cleaning your battery terminals will help keep your 318i’s electrical system running smoothly. Before cleaning, reference your owner’s manual for instructions on how to disconnect the battery cables. Once the cables have been disconnected, gently clean the terminals with a mixture of water and baking soda, a wire brush, and a rag.

Who sells 318i batteries near me?

You can shop for 318i batteries at your local Firestone Complete Auto Care, and our expert technicians will even handle the installation. Don’t have time to visit our store? Our Firestone Direct mobile vans can come to you for battery installations! Learn more about our mobile battery services.

1985 BMW 318i Batteries

Get a New BMW Battery

Get a Battery for Your BMW 318i

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 1985 BMW 318i today and schedule a quick installation at Firestone Complete Auto Care.

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1985 BMW 318i Battery Replacement & Size

Researching battery replacements for your BMW 318i? Use this chart to find the right battery size and CCAs for your BMW 318i.

Battery	Engine	Warranty		Cold Cranking Amps
42-1	L4/1.8L	Replacement 24 months	Performance months	495
T6	L4/1.8L	Replacement 36 months	Performance months	720

BATTERIES
L4/1.8L - Battery: 42-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 495
L4/1.8L - Battery: T6 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 720

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Buy the Right Battery for Your BMW 318i

Your 318i doesn't have an expiration date, but its battery does. Generally, car batteries last from three to five years. You want to replace your 1985 BMW 318i battery before it fails and leaves you stranded. Look out for symptoms of a faulty car battery. A lagging starter, an illuminated check engine light or battery signal, swollen battery case, corroded battery terminals, or faded headlights may all indicate that your battery is waving goodbye.

Or, you can get a complimentary battery check at your nearest Firestone Complete Auto Care. 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 318i a replacement battery. Car batteries are one of our many specialties! Our expert technicians understand BMW service recommendations for 318i battery cold cranking amps 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.

Is There a DieHard Battery for 318is?

We only want what’s best for your BMW 318i, which is why we exclusively carry the best. You need a reliable, durable and powerful battery in extremely hot and cold environments. DieHard batteries go above and beyond using state-of-the-art advancements to satisfy the expanding power needs of new vehicles and their accessories. A DieHard battery isn't an ordinary car battery. It's extraordinary. Buy a DieHard battery for your BMW 318i and get behind the wheel with confidence. Why? Because performance will be there when you need it most. That’s why you should choose batteries from Firestone Complete Auto Care.

Making Your 318i’s New Battery Last

Did you recently have a new 1985 BMW 318i car battery installed? Great job! You can give your new battery a head start with proper care and attention. Help extend your car battery’s life by cutting back on unnecessary short trips, cleaning your battery posts, and avoiding radio and electronic component use when the engine is off.

Commonly Asked 318i 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 318i battery, visit your nearest store. Our technicians are happy to help.

Why won’t my 318i battery hold a charge? A battery that won't hold a charge is almost as good as dead. The battery might be old. Or, you may have been leaving your car doors ajar and the dome lights on during the night. Stop by for a free battery test at your local Firestone Complete Auto Care and learn more about your battery's charge.
What do you do with my old 318i battery? We’ll recycle your car battery for you!
What’s the cost of DieHard batteries for BMW 318is? You can find affordable 318i 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? The typical 12-volt car battery may last three to five years, depending on the type of battery, the driving conditions, and how well the battery is maintained.
What is the white, crusty substance accumulating on my 318i’s battery post? If you notice white, crusty stuff around the battery terminals of your 318i, 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 318i’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
What do I do about corrosion on my 318i car battery? Regularly inspecting and cleaning your battery terminals will help keep your 318i’s electrical system running smoothly. Before cleaning, reference your owner’s manual for instructions on how to disconnect the battery cables. Once the cables have been disconnected, gently clean the terminals with a mixture of water and baking soda, a wire brush, and a rag.
Who sells 318i batteries near me? You can shop for 318i batteries at your local Firestone Complete Auto Care, and our expert technicians will even handle the installation. Don’t have time to visit our store? Our Firestone Direct mobile vans can come to you for battery installations! Learn more about our mobile battery services.