They are fully sealed and don’t need to be topped off or maintained in any other way.

They consist of glass fibers creating a mesh inside the battery, which is why they are considered to be safer than liquid ones if the casing gets damaged, the acid can’t leak out of the battery. Absorbed Glass Matt (AGM) batteriesĪbsorbed Glass Matt (AGM) batteries are also lead-acid dry-cell batteries. If it’s wet, it’ll continue to move around inside after you stop shaking. How to see the difference between a wet-cell battery and a gel battery? You can either check the label or shake the battery. Plus, they are fully sealed and have noticeable flat tops with no signs of caps or filling ports on them. GEL Lead-Acid batteries are on the other hand dry-cell batteries, as they contain an electrolyte in the form of a gel. You can identify them by the caps on the top which you can open to fill the battery with distilled water. So to get things straight, Liquid Lead Acid batteries have so called flooded or wet cells - the regular and most popular lead acid battery type.

Making a mistake may lead to shortening battery’s life or harming the driver. It’s vital to know which type you are using, as each of them needs to be handled differently. Those who prepare for a battery replacement often ask: How do I know if my battery is AGM or GEL or Liquid Lead Acid? You’ll hear more about it later in the article. BimmerTech specialists offer a coding process to adjust your vehicle to the new battery specifications. Our registration process frees you from that necessity. Hence, it should be of a similar type and capacity. īMW battery replacement What battery do I need?Ĭonventional wisdom when it comes to choosing your new battery goes that the perfect replacement battery would be the one with very similar specifications to your old battery. Here, we’ll explain how to put a battery in a car, take an in-depth look into BMW battery registration and tell you more about the BMW battery reset procedure. We say: you can definitely handle the replacement on your own! However, when it comes to the registration - if you’re not a tech-savvy person, let us do the work for you. Many people wonder though, whether BMW battery replacement and registration is a simple DIY process or has to be done by an expert technician. But one thing that does the most to ensure your car will run smoothly is taking care of your BMW’s battery. You love your BMW, don’t you? And you want to keep driving it as long as you can, right? There are few things your BMW will require of you to maintain its longevity then - changing your oil, replacing air filters and other general service tasks.

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