What happens if you put the wrong battery in a BMW?


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Battery specifications If you use the wrong size battery, this could cause changes in the flow of electrical currents, resulting in power surges that can damage the onboard computers or other components.

Can I replace my BMW battery myself?

Many people wonder though, whether BMW battery replacement and registration is a simple DIY process or has to be done by an expert technician. We say: you can definitely handle the replacement on your own!

Do BMW batteries need to be programmed?

An often misunderstood and unappreciated point when it comes to replacing the battery in modern, late-model BMW’s is that the new battery has to be “registered” or matched to the onboard ECU for proper operation and battery longevity.

How much is a battery for a 428i BMW?

The average cost for a BMW 428i battery replacement is between $627 and $650. Labor costs are estimated between $88 and $111 while parts are priced at $539.

Does a BMW take a special battery?

Conventional car batteries can be used for BMWs with average power requirements. Therefore, you don’t need a specific BMW car battery if your car doesn’t have sophisticated car accessories or a start-stop system.

What happens if you don’t reprogram BMW battery?

If you don’t register it with the car, it causes the car to charge it too much or too little. Older batteries get more charge sent to it than newer ones, so putting a new battery in will cause the car to overcharge it, which prematurely kills your battery.

How do I reset my BMW after changing the battery?

  1. Step 1: Restart the controller.
  2. Step 2: Tap the “Trip” button to wake it up and glow.
  3. Step 3: Continue to press and hold that “trip” button and hold until the “Reset” button appears on the screen.
  4. Step 4: Reset.

How do I reset my car after replacing the battery?

To reset your car, just follow these easy steps: Detach the battery cable for two to three minutes. Reconnect the battery and start the car. Drive the car for at least 10 miles to let the engine control units find any potential problems.

Do I need to program my car after changing the battery?

No, you generally don’t have to reprogram your car after changing the battery. However, if your car has an onboard computer, it may need to be reset. Along with, This means that, if your car’s battery needs to be replaced, you can choose any replacement battery that fits your car โ€“ you don’t have to buy a BMW battery.

How long will BMW i4 battery last?

EPA Rating โ€“ 270 miles Li-ion batteries are known to keep a small charge even when the indicator shows 0 percent, as a way to conserve the battery’s longevity. The BMW i4 M50 is rated on the EPA range at 270 miles when equipped with 19-inch wheels and 227 miles when equipped with 20-inch wheels.

What battery brand does BMW use?

BMW does not manufacture batteries but they are manufactured for BMW using AGM technology by a German manufacturer and do have a BMW original equipment label on them and are marketed as BMW original eqipment battery. Exide is maybe an approved replacement,but is not what the car comes with.

How do I know if my BMW battery is bad?

  1. Dimming headlights.
  2. More frequent need for engine revving or jump starts.
  3. Takes longer to start the engine when you turn the key/push the button.
  4. Unusual power fluctuations.

Does BMW need AGM battery?

Most BMW models use AGM batteries as they allow for faster charging and more power. Newer BMW models also have a computer system for the battery, which requires you to register the battery so that the computer knows you installed a new battery.

How much does a new BMW battery cost?

How Much Does a BMW Battery Cost? The cost of parts and installation will vary between models, but your BMW battery replacement cost will likely come in between $300 and $500 when you factor in parts and labor.

Do I need to code my new battery?

If a battery is advanced in age, the vehicle system records the โ€ždefective battery”. If a new battery is installed without entering a BEM code, the vehicle will not recognise that a new battery has been installed.

Will disconnecting car battery harm computer?

Disconnecting your car battery will not cause any permanent damage to your computer or ECU (electronic control unit), but it can have some adverse effects. Those include canceling your preset radio stations, forgetting learned shift points, and your car’s ideal fuel/air mixture.

What does resetting a BMW computer do?

After your BMW is serviced the mechanic will reset the computer so it can register your mileage which is how you know when the vehicle needs service again in the future.

Can I use an H6 battery instead of H7?

The H6 and H7 are essentially interchangeable. These are the most common batteries in modern cars and fit most every European cars as well as many of the more modern American cars.

What are the signs of a weak battery?

Bad Battery Symptoms If the cranking of the engine is sluggish, like your vehicle is harder to start on cold mornings, it starts inconsistently, or there’s no sound and interior lights when you try to start, suspect a failing battery, a loose or corroded connection or electrical draw.

Will a bigger battery hurt my alternator?

As several people have stated, no, a larger battery will not harm your alternator (or other electrical components), provided that it is putting out the correct voltage.

Why is my car acting weird after a new battery?

This adaptive memory is stored in your vehicle’s volatile random access memory, also referred to as the VRAM. When you go to change your battery, and your car’s computer software is disconnected from the power, there is a chance that you may reset your car’s memory to the original default settings.

How long does it take for a car computer to reset after disconnecting the battery?

You should leave your car’s battery disconnected for a minimum of fifteen minutes and no longer than thirty minutes to reset an ECU. To disconnect a car battery, remove the negative power cable from the negative terminal of your car battery with the use of a socket or monkey wrench.

Will a factory reset fix my battery?

Factory reset Well, that’s because you need to know that this is the most trusted solution to fix the battery drain after the update. If wiping the cache partition still doesn’t fix battery problems after a software update, your very last option is to do a full factory reset.

How do I register my BMW battery?

YouTube video

Do I need to reset the ECU after replacing the battery?

Most ECUs are self-learning and should reset themselves after learning that a new battery has been installed. If you’re stuck, go to a mechanic for diagnostic assistance.

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