Why won’t my Z4 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 may have a habit of leaving your car doors open and the lights on overnight. Stop by for a complimentary battery check at your local Firestone Complete Auto Care to learn more about the state of your battery.

What do you do with my dead Z4 battery?

We’ll recycle your car battery for you!

How much will replacing my BMW Z4’s battery cost if I get a DieHard battery?

Get affordable prices on BMW Z4 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 often should I replace my car battery?

You can usually get three to five years out of your car battery. However, battery type, how well you maintain your battery, and your driving habits can all affect your battery’s lifespan.

What is the white, crusty substance accumulating on my Z4’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 Z4 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.

What do I do about corrosion on my Z4 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 Z4?

Your local Firestone Complete Auto Care sells and installs Z4 batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.

2008 BMW Z4 Car Batteries

Get a New BMW Battery

BMW Z4 Batteries Near You

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 2008 BMW Z4 today and schedule a quick installation at Firestone Complete Auto Care.

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2008 BMW Z4 Battery Replacement & Size

Researching battery replacements for your BMW Z4? Check the chart to find the right car battery size and cold cranking amps for your Z4.

Battery	Engine	Warranty		Cold Cranking Amps
91-1	L6/3.0L	Replacement 24 months	Performance months	615
47H5	L6/3.0L	Replacement 36 months	Performance months	650
H7-AGM	L6/3.0L	Replacement 36 months	Performance months	850
47H5	L6/3.2L	Replacement 36 months	Performance months	650
H5-AGM	L6/3.2L	Replacement 36 months	Performance months	680

BATTERIES
L6/3.0L - Battery: 91-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 615
L6/3.0L - Battery: 47H5 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 650
L6/3.0L - Battery: H7-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850
L6/3.2L - Battery: 47H5 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 650
L6/3.2L - Battery: H5-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 680

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Buy the Right Battery for Your BMW Z4

Your Z4 doesn't have an expiration date, but its battery does. On average, auto batteries last anywhere from three to five years. Check your battery regularly and replace it as needed so it doesn’t leave you and your BMW Z4 stranded. Pay attention to clues that your battery is on its way out. A slow engine crank, an illuminated check engine light or battery signal, swollen battery case, corroded battery posts, and subpar electrical performance can all signal that your battery needs attention.

Plus, at Firestone Complete Auto Care, we’ll test your battery for free. With computerized testing we can see how much charge is left in your battery. Stop by for a free battery test and, if needed, a replacement battery for your 2008 BMW Z4. Car batteries are only one of our many strong suits. Our technicians are well-acquainted with BMW’s service specs for Z4 car batteries’ reserve capacities and cold cranking amps. Get help identifying the type and size of battery that's best for your Z4, and schedule a weekday or weekend battery replacement service for your car.

Firestone Has DieHard Batteries for Z4s

We only want what’s best for your BMW Z4, which is why we carry just that. Your vehicle needs a reliable, durable and powerful battery that can handle most extreme environments and weather conditions. DieHard batteries shatter expectations using state-of-the-art advancements to satisfy the expanding power needs of new vehicles. A DieHard battery isn't an ordinary car battery. It's extraordinary. Buy a DieHard battery for your BMW Z4 and drive with confidence knowing that performance will be there when you need it most. That's the kind of battery we deliver.

After Buying 2008 BMW Z4 Battery

Got a new car battery installed in your 2008 BMW Z4? Great job! You can give your new battery a head start with proper care and attention. turning off all of the lights when you leave your vehicle, 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 Z4 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 Z4 battery, visit your nearest store. Our technicians are happy to help.

Why won’t my Z4 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 may have a habit of leaving your car doors open and the lights on overnight. Stop by for a complimentary battery check at your local Firestone Complete Auto Care to learn more about the state of your battery.
What do you do with my dead Z4 battery? We’ll recycle your car battery for you!
How much will replacing my BMW Z4’s battery cost if I get a DieHard battery? Get affordable prices on BMW Z4 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 often should I replace my car battery? You can usually get three to five years out of your car battery. However, battery type, how well you maintain your battery, and your driving habits can all affect your battery’s lifespan.
What is the white, crusty substance accumulating on my Z4’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 Z4 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.
What do I do about corrosion on my Z4 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 Z4? Your local Firestone Complete Auto Care sells and installs Z4 batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.