Car Batteries for 1985 BMW 635CSi

Get a New BMW Battery

Get a New BMW 635CSi Battery

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 1985 BMW 635CSi today and schedule a quick installation at Firestone Complete Auto Care.

Shop Batteries

Battery Size & Replacement for 1985 BMW 635CSi

Researching battery replacements for your BMW 635CSi? Use this chart to find the right battery size and CCAs for your BMW 635CSi.

Battery Engine Warranty Cold Cranking Amps
90/T5 L6/3.5L Replacement 36 months Performance months 650
BATTERIES

L6/3.5L

- Battery: 90/T5

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 650

Schedule an Appointment

Buying a Replacement Battery for BMW 635CSi

You can pretty much drive your BMW 635CSi until you don't want to anymore. But your 635CSi's battery? Don't count on it to last forever. 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 635CSi stranded. Look out for symptoms of a faulty car battery. A lagging starter, a blinking battery or check engine light, swollen battery case, corroded battery posts, or weak lights 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 computerized testing we can see how much charge is left in your battery. Drop in for a free battery check and, if needed, get your BMW 635CSi a replacement battery. Car batteries are only one of our many strong suits. Our technicians are well-acquainted with BMW’s service specs for 635CSi battery cold cranking amps and reserve capacity. Get help choosing the battery size that matches your vehicle, and schedule a fast car battery replacement at your earliest convenience.

Find the Right DieHard Battery for Your 635CSi

We know what’s best for your BMW 635CSi, 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 go above and beyond using the latest innovative technology to fuel the growing power needs of modern vehicles Don't call a DieHard battery ordinary. It's an extraordinary battery. Choose a DieHard battery for your BMW 635CSi and drive with confidence knowing that performance will be there when you need it most. That’s why you should choose batteries from Firestone Complete Auto Care.

Making Your 635CSi’s New Battery Last

Have you recently had a fresh battery installed in your BMW 635CSi? 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 avoiding radio and electronic component use when the engine is off.

Commonly Asked 635CSi Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a 635CSi-specific battery question, pay us a visit. Our expert techs have the answers you need.

  • Why won't my 635CSi battery stay charged? A battery is in its final hour when it will no longer hold a charge. 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 to learn more about the state of your battery.
  • What do you do with my dead 635CSi battery? We’ll recycle your car battery for you!
  • What’s the cost of DieHard batteries for BMW 635CSis? You can find affordable 635CSi 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 is a car battery good for? 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.
  • Why is there white, flaky stuff around my 635CSi’s battery post? The white, flaky stuff that can build up around your 635CSi’s battery terminals is known as corrosion. Acid leaking from your vehicle’s battery post can have a chemical reaction with the air, leading to an accumulation of the white, powdery substance over time. Corrosion can affect the flow of electricity between your battery and the electrical system in your 635CSi, possibly causing issues with electrical performance and starting. If left unaddressed for long enough, it may even cause your battery to prematurely fail.
  • What do I do about corrosion on my 635CSi 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 635CSi 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.
  •  Who carries 635CSi batteries near me? At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install 635CSi batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.