Why doesn’t my 325i battery stay charged?

A car battery that needs to be jump-started every time is as good as dead. The battery might be old. Or, you may have a habit of leaving your car doors open and the dome lights on during the night. 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 dead 325i battery?

We recycle it, taking care of both your car and the Earth.

What’s the cost of DieHard batteries for BMW 325is?

Get affordable prices on BMW 325i 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 substance accumulating on my 325i’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 325i 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 325i battery terminal?

Regularly inspecting and cleaning your battery terminals will help keep your 325i’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.

Where can I purchase 325i batteries near me?

When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install 325i 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.

2005 BMW 325i Car Batteries

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Get a New BMW 325i Battery

Don't let a failing battery slow you down. Shop replacement batteries for 2005 BMW 325is today and schedule a quick installation at Firestone Complete Auto Care.

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Battery Size & Replacement for 2005 BMW 325i

Not sure what battery to get for your BMW 325i? Use this chart to find the right battery size and CCAs for your BMW 325i.

Battery	Engine	Warranty		Cold Cranking Amps
91-1	L6/2.5L	Replacement 24 months	Performance months	615
94RH7	L6/2.5L	Replacement 36 months	Performance months	800
H8-AGM	L6/2.5L	Replacement 36 months	Performance months	900

BATTERIES
L6/2.5L - Battery: 91-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 615
L6/2.5L - Battery: 94RH7 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
L6/2.5L - Battery: H8-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 900

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Buy the Right Battery for Your BMW 325i

Sadly, your BMW 325i 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 325i stranded. Pay attention to clues that your battery is on its way out. A lagging starter, an illuminated battery or check engine light, bloated battery case, corrosion-covered posts, or dim headlights can all signal that your battery is waving goodbye.

Plus, at Firestone Complete Auto Care, we’ll test your battery for free. Our equipment can see how much charge is left in your battery. Stop by for a free battery test and, if necessary, a battery replacement to help keep your 2005 BMW 325i running! Automotive batteries are just one of our many areas of expertise. Our expert technicians understand BMW service recommendations for 325i car batteries’ reserve capacities and cold cranking amps. Get help figuring out the battery size that's best for your 325i, and schedule a weekday or weekend battery replacement service for your car.

Is There a DieHard Battery for 325is?

Your BMW 325i deserves the best, which is why we exclusively carry the best. You need a reliable, durable and powerful battery in even the most extreme conditions. DieHard batteries shatter expectations using state-of-the-art advancements to fuel the growing power demands of modern vehicles Don't call a DieHard battery ordinary. It's an extraordinary battery. Buy a DieHard battery for your BMW 325i and have the peace of mind that your battery will perform when you need it. That's the kind of battery we deliver.

Making Your 325i’s New Battery Last

Got a new car battery installed in your 2005 BMW 325i? Good thinking! Now, help it last longer and stay charged by caring for it from the get-go. 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.

Commonly Asked 325i Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a 325i-specific battery question, stop by your nearest store. Our expert techs have the answers you need.

Why doesn’t my 325i battery stay charged? A car battery that needs to be jump-started every time is as good as dead. The battery might be old. Or, you may have a habit of leaving your car doors open and the dome lights on during the night. 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 dead 325i battery? We recycle it, taking care of both your car and the Earth.
What’s the cost of DieHard batteries for BMW 325is? Get affordable prices on BMW 325i 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 substance accumulating on my 325i’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 325i 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 325i battery terminal? Regularly inspecting and cleaning your battery terminals will help keep your 325i’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.
Where can I purchase 325i batteries near me? When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install 325i 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.