The correct battery size for a BMW 328iX key fob is a CR2450. This lithium key battery is essential for your key fob’s performance. The model number for this genuine BMW battery is 61319217643. Replace the battery when needed to keep your key fob functioning properly.
Once open, you will see the old battery. Remove it by noting its orientation—positive side facing up. Insert the new CR2032 battery into the slot, ensuring it is positioned in the same way as the old battery. Close the fob securely by pressing both halves back together until they click. Finally, test the key fob to ensure it functions properly.
Understanding how to replace the battery in your BMW 328ix key fob helps ensure you can access your vehicle without issues. If you experience any further problems with the key fob, the next steps may include troubleshooting connectivity issues or programming a new fob altogether.
What Size Battery Does a BMW 328ix Key Fob Require?
The BMW 328ix key fob requires a CR2032 battery for replacement.
- Battery Type: CR2032
- Battery Size: 20 mm diameter, 3.2 mm thickness
- Replacement Procedure: Open key fob, replace battery, close fob
- Additional Considerations: Battery life, environment for battery use
The following sections will elaborate on each point related to the BMW 328ix key fob battery.
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Battery Type: CR2032:
The battery type required for the BMW 328ix key fob is the CR2032 battery. A CR2032 is a lithium coin cell battery. It is widely available and is often used in many devices, including watches and small electronic gadgets. This battery is known for its longevity and high energy density. -
Battery Size:
The size of the CR2032 battery is 20 mm in diameter and 3.2 mm in thickness. This standard sizing allows for compatibility across various devices. Consumers often appreciate the widespread availability of this size, which simplifies replacement options. -
Replacement Procedure:
To replace the battery in the BMW 328ix key fob, one must first gently open the key fob using a small flathead screwdriver or a similar tool. After removing the cover, the old battery can be taken out and replaced with a new CR2032 battery, ensuring the positive side is facing up. Finally, the fob cover should be securely closed. -
Additional Considerations:
When replacing the battery, considerations include battery life, which typically lasts several years depending on usage. Environmental factors can affect the battery performance, such as extreme temperatures. It is advisable to follow the manufacturer’s guidelines for replacement to maximize the key fob’s longevity and efficacy.
In summary, the BMW 328ix key fob specifically requires a CR2032 battery, which is commonly recognized for its size and reliability.
How Can You Tell If Your BMW 328ix Key Fob Battery Needs Replacing?
You can tell if your BMW 328ix key fob battery needs replacing by observing certain signs and performing a few simple checks. Common indicators include remote range reduction, warning lights on the dashboard, and unresponsive buttons.
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Remote Range Reduction: If you notice that your key fob no longer works from a distance, this could indicate a weak battery. Normally, you should be able to unlock your car from several feet away. A reduced range suggests diminished battery power.
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Warning Lights: Some BMW models display a warning light on the dashboard when the key fob battery is low. This alert serves to remind the driver to replace the battery soon, preventing further inconvenience.
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Unresponsive Buttons: If the buttons on your key fob require multiple presses to function or do not work at all, it is likely that the battery is failing. Successful operation should require just a single press.
If you experience any of these symptoms, replacing the key fob battery is advisable. BMWs typically use a CR2032 battery for their key fobs, which is widely available and easy to replace. Proper maintenance of the key fob’s battery ensures uninterrupted operation, enhancing convenience and reliability.
What Are the Common Signs That Indicate a Dying BMW 328ix Key Fob Battery?
The common signs that indicate a dying BMW 328ix key fob battery include decreased range, unresponsive buttons, intermittent operation, and frequent need for battery replacement.
- Decreased range
- Unresponsive buttons
- Intermittent operation
- Frequent need for battery replacement
Understanding these signs is crucial for maintaining the functionality of your key fob.
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Decreased Range: Decreased range occurs when the key fob can no longer work effectively from a distance. This issue typically indicates that the battery is weakening. When you have to be closer to the vehicle for the fob to function, it is a strong signal that the battery life is diminishing. According to the AAA, a key fob’s effective operating range is usually around 30 feet, but this can shrink significantly as the battery weakens.
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Unresponsive Buttons: Unresponsive buttons signify battery depletion or an issue with the key fob’s internal components. If pressing buttons fails to unlock doors or activate functions, this suggests that the battery does not have enough power to send signals to the vehicle. Consumers often report that they must press buttons multiple times for the fob to react, requiring immediate attention.
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Intermittent Operation: Intermittent operation refers to sporadic responses from the key fob. This may manifest as random successes or failures in locking or unlocking doors. Such inconsistency often points toward a failing battery or potential corrosion on the battery contacts. A study by the Automotive Research Association found that 40% of key fob issues stem from battery problems.
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Frequent Need for Battery Replacement: Frequent battery replacements indicate a potential underlying issue beyond just a dying battery. If the key fob requires frequent batteries within a short time, it might be malfunctioning or suffering from internal damage. Key fobs should typically last a few years before requiring a battery change. Experts suggest consulting with a professional if batteries need replacing excessively to rule out internal issues.
Monitoring these signs can help you ensure your BMW 328ix key fob remains operational and functional.
How Do You Change the Battery in a BMW 328ix Key Fob Step-by-Step?
To change the battery in a BMW 328ix key fob, follow these steps: open the key fob, replace the battery, and reassemble the fob.
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Open the key fob:
– Locate the small key release button on the back of the fob.
– Press this button to release the physical key.
– Use the physical key to carefully pry open the key fob along the seam. -
Replace the battery:
– Identify the battery type inside the fob. Most BMW key fobs use a CR2032 battery.
– Remove the old battery by gently pushing it out from its slot.
– Insert the new battery with the positive (+) side facing up. -
Reassemble the fob:
– Align the two halves of the key fob.
– Press firmly until they snap back together.
– Finally, reinsert the physical key into the fob.
Following these steps will ensure that your BMW 328ix key fob works properly with a new battery. Regularly checking and replacing the battery can prevent key fob failure and enhance user experience.
What Tools Do You Need for Changing a BMW 328ix Key Fob Battery?
To change a BMW 328ix key fob battery, you will need the following tools:
- Small flathead screwdriver or plastic prying tool
- Replacement battery (usually a CR2032 coin-cell battery)
- Tweezers (optional)
- Clean workspace
These tools will help ensure the process is smooth and efficient. Below are detailed explanations of each tool’s role in changing the battery.
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Small flathead screwdriver or plastic prying tool:
A small flathead screwdriver or a plastic prying tool is essential for safely opening the key fob without causing damage. The tool allows you to gently pry apart the two halves of the fob. This step is crucial as it prevents scratching or breaking the fob’s casing. -
Replacement battery (usually a CR2032 coin-cell battery):
The CR2032 is a common type of battery used in many key fobs, including the BMW 328ix. It is a flat, round lithium coin-cell battery that provides the necessary power for the fob’s electronic components. Having a compatible replacement is critical for the fob to function correctly after the battery change. -
Tweezers (optional):
Tweezers can be helpful for handling small components and ensuring the battery is inserted correctly. If the battery compartment is tight or difficult to reach, tweezers provide an advantage in placing the new battery precisely without risking damage to the fob. -
Clean Workspace:
A clean workspace ensures that small parts do not get lost during the battery replacement process. It is important to have a clear area to work in, as dropping components can lead to additional frustrations or delays. A clutter-free desk or table provides an ideal environment for this task.
In conclusion, the tools mentioned above will facilitate a successful BMW 328ix key fob battery replacement. Using a small flathead screwdriver or plastic prying tool, a CR2032 battery, optional tweezers, and a clean workspace streamlines the procedure and ensures the fob continues to function effectively after the change.
Where Can You Find Replacement Batteries for BMW 328ix Key Fobs?
You can find replacement batteries for BMW 328ix key fobs at several locations. Start by checking auto parts stores, such as AutoZone or O’Reilly Auto Parts. These stores typically carry the required CR2032 batteries. Next, consider online retailers like Amazon or eBay, where you can easily order batteries with direct shipping. You may also visit the official BMW dealership or authorized service centers to purchase OEM batteries specifically designed for your key fob. Lastly, local electronics stores often stock small batteries, including those needed for key fobs. Ensure you verify the battery size as CR2032, which is commonly used in BMW 328ix key fobs.
How Much Should You Expect to Pay for a BMW 328ix Key Fob Battery Replacement?
You should expect to pay between $10 and $30 for a BMW 328ix key fob battery replacement. This cost typically includes the battery itself and may vary depending on where you purchase it.
Battery types commonly used in BMW key fobs include CR2450 or CR2032 lithium batteries, which are typically priced from $5 to $15 each. Replacement costs may increase if you go through a dealership, where labor fees can add another $20 to $50. Some dealerships may charge significantly more than this for programming the key fob if needed.
For example, if you replace the battery yourself, total costs might only be around $10 for the battery and tools. Conversely, if you take it to a dealership, the total bill could reach up to $80, depending on their specific rates.
Several factors can influence the cost of battery replacement. Local market rates, dealership pricing, and whether additional programming is required can all affect the final cost. Prices may also differ based on the geographic location and supply availability.
In summary, expect a general cost of $10 to $30 for a BMW 328ix key fob battery replacement, with potential increases if you seek dealership services. Consider doing it yourself for savings or investigate local automotive shops for competitive pricing.
What Are the Risks of Ignoring a Low Battery Warning in Your BMW 328ix Key Fob?
Ignoring a low battery warning in your BMW 328ix key fob can lead to several risks, including inconvenience and potential vehicle access issues.
- Inability to start the vehicle
- Difficulty locking or unlocking doors
- Limited remote functions
- Increased battery drain over time
- Potential security risks
Addressing these risks showcases the importance of timely maintenance for your key fob.
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Inability to Start the Vehicle:
The risk of an inability to start the vehicle arises when the battery in the key fob is ignored. A weak battery can fail to send the necessary signal to the vehicle’s ignition system. This limits the driver’s ability to start the engine, leaving them stranded. An example can include situations where a driver attempts to start their BMW, only to find that the key fob does not respond, leading to frustration and delays. -
Difficulty Locking or Unlocking Doors:
Ignoring the low battery warning might result in difficulty locking or unlocking the vehicle doors. The key fob typically communicates wirelessly with the car. If the battery is low, this communication may fail. Therefore, drivers face the inconvenience of manually locking and unlocking the doors, which can be cumbersome, especially in adverse weather conditions or when carrying items. -
Limited Remote Functions:
Key fobs often come with multiple remote functions, such as opening the trunk or controlling windows. When the battery is ignored, these features may malfunction. For instance, a driver may find that they cannot open their trunk remotely when carrying groceries, disrupting their routine. -
Increased Battery Drain Over Time:
Ignoring the low battery alert may lead to increased energy consumption from the remaining battery power. The fob may continually attempt to send signals to the vehicle, which can accelerate battery depletion. Eventually, this can lead to a complete battery failure, necessitating a more urgent and potentially expensive replacement. -
Potential Security Risks:
Ignoring a low battery warning can introduce security vulnerabilities. If the key fob malfunctions due to a dead battery, it might fail to lock the vehicle properly. This oversight can leave the car susceptible to unauthorized access. A study by Kevin McKenzie in 2022 emphasized that vehicle thieves often exploit these situations, highlighting the need for routine key fob maintenance to enhance security.
Overall, keeping an eye on the key fob’s battery status is crucial for maintaining the functionality and security of your BMW 328ix.
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