Why won’t my 135i battery hold a charge?

A car battery that needs to be jump-started every time is as good as dead. The battery may be too 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 nearest Firestone Complete Auto Care and get a handle on your car battery’s health.

What happens to my old 135i battery?

We’ll recycle your car battery for you!

How much will replacing my BMW 135i’s battery cost if I get a DieHard battery?

You can find affordable 135i 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 stuff around my 135i’s battery post?

If you notice white, crusty stuff around the battery terminals of your 135i, 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 135i’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.

How do I remove corrosion from my 135i car battery?

You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your 135i owner's manual to learn how to disconnect the battery cables. After disconnecting the cables, use a mixture of water and baking soda, a wire brush, and a rag to carefully clean the terminals.

Where can I find a battery for my 135i?

You can shop for 135i 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.

2011 BMW 135i Batteries

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Get a New BMW 135i Battery

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 2011 BMW 135i today and schedule a quick installation at Firestone Complete Auto Care.

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2011 BMW 135i Battery Replacement & Size

Not sure what battery to get for your BMW 135i? Use the following chart to find information on BMW 135i battery size and cold cranking amps.

Battery	Engine	Warranty		Cold Cranking Amps
91-1	L6/3.0L	Replacement 24 months	Performance months	615
49H8	L6/3.0L	Replacement 36 months	Performance months	900
H8-AGM	L6/3.0L	Replacement 36 months	Performance months	900

BATTERIES
L6/3.0L - Battery: 91-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 615
L6/3.0L - Battery: 49H8 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 900
L6/3.0L - Battery: H8-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 900

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Shopping for BMW 135i Car Batteries

Sadly, your BMW 135i won't last forever. Neither will its battery. Generally, car batteries last from three to five years. Don’t get stranded by your 135i’s car battery. Replace it regularly instead! Pay attention to clues that your battery is on its way out. A sluggish engine start, an illuminated check engine light or battery signal, swollen battery case, corroded battery terminals, or faded headlights may all indicate that your battery needs attention.

Or, you can get a complimentary battery check at your nearest Firestone Complete Auto Care. With computerized testing we 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 2011 BMW 135i running! Automotive batteries are just one of our many areas of expertise. Our technicians are familiar with BMW-specific recommendations for 135i battery CCAs and reserve capacity. Get help identifying the type and size of battery that fits your car perfectly, and schedule an appointment today for a quick car battery replacement.

Firestone Has DieHard Batteries for 135is

We know what’s best for your BMW 135i, which is why we carry just that. Your 135i needs a reliable, durable and powerful battery in even some of the toughest conditions. DieHard batteries go above and beyond and house the latest technology to fuel the increasing power requirements of new vehicles and their accessories. Don't call a DieHard battery ordinary. It's an extraordinary battery. Choose a DieHard battery for your BMW 135i and have the peace of mind that performance will be there when you're counting on it. That’s why you should choose batteries from Firestone Complete Auto Care.

After Buying 2011 BMW 135i Battery

Have you recently had a fresh battery installed in your BMW 135i? Great job! Give your new car battery the best start with proper care. flipping the dome lights and headlights off when exiting the car, decreasing the number of short trips you take, keeping your battery posts clean, and not playing the radio or using other electronics when the engine is turned off.

Commonly Asked 135i Battery Questions

Get answers to common car battery questions, from Firestone Complete Auto Care. If you have a battery question that's unique to your BMW 135i battery, stop by your nearest store. Our expert techs have the answers you need.

Why won’t my 135i battery hold a charge? A car battery that needs to be jump-started every time is as good as dead. The battery may be too 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 nearest Firestone Complete Auto Care and get a handle on your car battery’s health.
What happens to my old 135i battery? We’ll recycle your car battery for you!
How much will replacing my BMW 135i’s battery cost if I get a DieHard battery? You can find affordable 135i 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 stuff around my 135i’s battery post? If you notice white, crusty stuff around the battery terminals of your 135i, 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 135i’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
How do I remove corrosion from my 135i car battery? You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your 135i owner's manual to learn how to disconnect the battery cables. After disconnecting the cables, use a mixture of water and baking soda, a wire brush, and a rag to carefully clean the terminals.
Where can I find a battery for my 135i? You can shop for 135i 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.