Every BMW battery, like all car batteries, has its expiry date. No matter how well it was made or how well it’s maintained, it simply loses its efficacy over time. Dead batteries are inevitable, but you can help lengthen their lifespan by practising regular maintenance. The average BMW car batteries will run smoothly for up to four years if you take proper care of them. In this blog, we’ll help you pick up a few tips and tricks that you can use to get the most out of your battery.

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Make It A Habit

BMWs have engines and electronics that are fairly power-hungry. Given this, it’s important to pay close attention to the battery’s running health. BMW car batteries in the UK don’t come cheap either, so you’ll want to keep yours in good shape for as long as possible.

Here are a few things you can do to maintain your car battery’s condition. Bear in mind that these need to be done on a regular basis to get the best results.

Monitor The Electrolyte Levels

If the plates within your battery are exposed, there’s not enough of the electrolyte needed for ionic conduction. Battery cells that have low electrolyte levels won’t charge up to 100%. You can replenish the electrolyte levels by pouring in enough distilled water through a funnel to cover the plates. Once you’ve done this, run your car or use a battery charger to recharge the battery up to its full capacity. It’s recommended you check the levels every six months or so.

Check Battery Voltage

Using a multimeter tool, check your battery’s voltage regularly. The ideal reading for a BMW battery is between 12.4V and 12.8V. If it reads 12.9V or higher, that’s an indication that your battery is overcharged. You should ask a mechanic to check your alternator if this happens. If the reading shows less than 12.4V, you will need to charge your battery.

Keep The Terminals Dirt- and Rust-Free

Rust and dirt on the battery unit, especially around the terminals, can cause problems in the process of power distribution. You need to keep your battery clean and dry so you can avoid the spread of corrosion. Use an old toothbrush to clean off any debris, grime, or built-up corrosion if you don’t have a wire brush. If the rust is difficult to get off, use a solution of baking soda and water to help break it down. Just make sure that after cleaning it, the battery case and terminals are bone dry.

Tighten The Terminals

Check the negative and positive clamps on your battery’s terminal. These can become loose after long periods of engine vibration and shocks from road bumps and potholes. If the cables are only loosely attached, there may be interruptions in the battery’s performance. To tighten the cables to the terminals, you can use an open-end spanner to turn the bolts clockwise until they no longer move.

Replace Your Battery Every Four Years

Even if you maintain your battery religiously, it will still eventually need to be replaced. The average lifespan of a battery is around four or five years. After this point, it’s best to start looking for a back-up battery price so you don’t get stranded if your existing one gives up the ghost entirely.

You can find unbeatable BMW car battery prices here at Orius Batteries! You’ll also benefit from free shipping if you’re a resident of the UK mainland or Scottish Highlands. Not only that but you’ll get a lifetime warranty on any new car battery you buy from us!

Need expert help? Feel free to contact us on 01772 348317 or by emailing [email protected].

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FREQUENTLY ASKED QUESTIONS

Does a BMW need a special battery?

All newly released models of BMW are equipped with Intelligent Battery Sensors, or IBS for short. This feature automatically adjusts the charge level delivered to the battery to compensate for its age and any degradation in performance. Any new BMW car battery now needs to be registered with the car’s on-board so it can adjust the charging rate.

How long do BMW car batteries last?

Plenty of factors can contribute to how long BMW automobile batteries will last. Generally, a car battery will last between two and five years, depending on how often you use the car, how many charging cycles the battery’s has undergone, and so on. One key factor that can contribute to the faster deterioration of the car battery is hot weather.

How do I know if my BMW battery is dying?

As a car owner, you should be aware of changes that could signify the BMW vehicle batteries need replacement. One example is if the engine cranks but has difficulty starting or won’t at all. Another sign is if car components powered by the battery (lights, radio, air conditioning unit, etc.) won’t come on. Either of these mean a new battery.

How can I tell how old my BMW battery is?

All OEM BMW car batteries have dates indicated on the unit, usually stamped on the top of the negative terminal in a week-year format (XX/XX). For example, if the date code is 25/02, then it means that the car battery was manufactured in the 25th week of 2002. Age is less important than the battery’s performance, though.

When should I replace my BMW battery?

Generally speaking, all car batteries will stop working at some point. Remember, a BMW battery’s lifespan is lengthened or shortened due to factors such as how frequently the car’s driven, how far it travels, and how you take care of the car. A well-maintained battery should last up to five years or more.

BMW Battery Replacement and Registration

All BMW car models released after 2002 must have their new batteries registered because these models’ electrical systems have become more sophisticated. These cars now have Intelligent Battery Sensors (IBS) as well that has microprocessors that measure the charge and discharge, voltage, current, and temperatures of BMW auto batteries.

If you fail to register a BMW battery, it could cause numerous electrical issues. It may shorten the car battery’s lifespan as you may overcharge or undercharge the battery. Worse, you may inflict irreversible damage to the car’s alternator and electrical mechanisms.

BMW Battery Replacement & Programming Guide

Here is the step-by-step procedure on how to replace a BMW battery.

  1. Park your BMW and turn off the ignition. Remove the key but keep the car unlocked.
  2. Open the bonnet and locate the battery. In older models, it’s inside the engine bay.
  3. Using a 10mm spanner, disconnect the negative and positive battery terminals.
  4. Remove the bracket that holds down the battery.
  5. Remove the old battery and install the new one. Make sure it fits snugly.
  6. Reattach the brackets and clean the battery clamps.
  7. Reconnect the negative and positive battery terminals.
  8. Lastly, register the battery using an OBD-II scan tool.

BMW Battery Replacement – Why You Must Register A New BMW Battery

In many cars, you can fit a new battery yourself. In fact, this job is relatively to do in a BMW too, but there is a complicating feature. All BMWs registered after 200 feature Intelligent Battery Sensors, a feature introduced to cars’ on-board computers (called the DME or Digital Motor Electronics in BMWs) to monitor the battery condition and keep it sufficiently charged to start up the vehicle. It also improves fuel economy.

The IBS also prolongs the battery’s life by continually adjusting the power consumption as the battery ages. So when you fit a new battery, you need to ‘tell’ the DME this by registering the new part, usually done by a mechanic/ technician service with the right tools.

If you’re looking for ‘BMW car batteries near me’ or indeed any other make or model of car, come to Orius Batteries. We offer great deals and a huge range of some of the biggest names in the battery world globally.