Key Fob Battery
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Owners of the BMW G20 series manufactured from November 2019 onwards may begin to experience reduced range or response delays in their remote key fob over time. These issues are often the result of a deteriorating battery. To maintain optimal functionality of the ATM2-equipped remote system, replacing the original power cell with a compatible and high-quality replacement is essential.
One of the most recommended solutions is the 6833994-02 BMW G20 11/2019 6833994-02 6V 190mAh Replacement Key Fob Battery, which is engineered to meet the specifications and operational requirements of BMW's OEM design.
Battery Specifications and Compatibility
The BMW part number 6833994-02 (also listed as 6-833-994-02) refers to a rechargeable 6V nickel-metal hydride (Ni-MH) battery with a rated capacity of 190mAh. The battery weighs approximately 48 grams and is designed to support 600 to 800 charge cycles under standard usage conditions.
This battery is specifically compatible with BMW key fobs equipped with the ATM2 SOS/Car-Call system, including those in the BMW G20 3 Series models produced from November 2019 onward. It is a direct physical and electrical match, allowing for seamless replacement without the need for any key reprogramming or configuration.
Advantages of the 6833994-02 Replacement Battery
The 6833994-02 BMW G20 11/2019 6833994-02 6V 190mAh Replacement Key Fob Battery offers several technical and practical benefits over generic alternatives:
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Fully compatible with BMW OEM remote systems
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Integrated protection against overcharging, over-discharging, and short-circuiting
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CE, RoHS, and ISO certified for product safety and environmental compliance
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High reliability with consistent voltage delivery throughout its charge cycle
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Long service life with up to four years of performance in normal operating environments
For vehicle owners who rely on daily keyless entry and SOS functionality, maintaining battery integrity is critical. This replacement unit ensures the remote continues operating with the responsiveness and reliability expected from a premium vehicle.
Installation Process
Replacing the key fob battery is a straightforward process. The user must carefully open the fob casing, remove the old battery, and insert the new one while observing the correct polarity. After closing the casing, all remote functions, including central locking and emergency services, should return to normal. There is no need to visit a dealership or perform software resets.
It is advisable to avoid deep discharge, store the remote in moderate temperatures (15–25°C), and periodically use the key to maintain battery health.
Considerations and Purchasing Advice
While there are imitation versions of this battery on the market, they may lack proper internal protection or certification. To avoid quality and safety risks, users should purchase from reputable suppliers and ensure the battery includes protection circuitry and full regulatory compliance.
The 6833994-02 BMW G20 11/2019 6833994-02 6V 190mAh Replacement Key Fob Battery is competitively priced and often includes warranty coverage, making it a dependable long-term replacement option for BMW owners.
Conclusion
For BMW G20 drivers experiencing remote key issues or approaching battery end-of-life, timely replacement with a certified, model-specific battery is essential. The 6833994-02 BMW G20 11/2019 6833994-02 6V 190mAh Replacement Key Fob Battery delivers OEM-level compatibility, robust protection features, and long-term durability, making it a practical and secure solution for continued key fob performance.