What is the battery model for BMW X1 key?

[CarterDella]

The battery model is CR2032, while the older version uses LV2020. It is a lithium manganese dioxide battery, named according to the IEC standard. Among them: C- indicates a chemical battery system with lithium metal as the negative electrode and manganese dioxide as the positive electrode; R- indicates that the battery is cylindrical in shape, with F used instead if it is square; 20 indicates the battery diameter is 20mm; 32 represents the battery height is 3.2mm. The nominal voltage is 3.0V, the endpoint voltage is 2.0V, and the rated capacity is approximately 200mAh. CR2032 typically has a lifespan of 5 years. If the manufacturer's production level is not high or quality control is poor, its lifespan may be significantly shortened. Domestic first-tier brand batteries can generally guarantee this lifespan. Under ideal usage conditions (sealed, room temperature, no moisture, etc.), its lifespan can be further extended to 8 years or even 10 years. The usage time of a vehicle remote key battery is closely related to the frequency of use. The more frequently it is used, the shorter the usage time will be. If the remote key battery runs out, the mechanical key can be used directly to open the vehicle and start the engine. Car remote keys use button batteries, mainly three types: CR2016, CR2025, and CR2032. For the specific model used in each vehicle, owners can refer to the battery model in the user manual for replacement. Button-type CR2016 battery: This is one of the most commonly used remote key batteries. The battery voltage is 3V, and most car key batteries are powered by 9V, so three batteries need to be replaced each time. Examples include Guangben, Toyota, Volkswagen, Mazda, etc. CR2016 specifications: battery diameter is 20mm, thickness is 1.6mm. Button-type CR2025 battery: Its usage rate is much lower than CR2016, but it is still used in some car keys. It is thicker than CR2016 but has a relatively higher storage capacity. CR2025 specifications: battery diameter is 20mm, thickness is 2.5mm. This type of battery is also commonly used in audio remotes. Button-type CR2032 battery: Its thickness is twice that of CR2016. The 3V-CR2032 lithium manganese battery belongs to the lithium-manganese dioxide structure. The positive electrode material is chemically stable manganese dioxide, the negative electrode material is lithium metal, and the electrolyte is a lithium battery electrolyte. The main components of the electrolyte are ethylene glycol dimethyl ether, propylene carbonate, and lithium perchlorate. It is shaped like a button, hence the name button lithium battery or lithium-manganese button battery.

[SamanthaRose]

Friends new to the BMW X1 often ask me about the key battery model - it's actually the common CR2032 coin cell. Having driven this car for two years, I experienced remote failure when my battery drained last time, and it turned out to be this exact model. This battery type has strong compatibility, being widely used not just in BMWs but also in other car keys and remotes. Replacement is straightforward: use a coin or small screwdriver to pry open the key's back cover, revealing the small circular battery. Important note: when inserting the new CR2032 after removing the old one, ensure the positive side faces upward. These batteries are readily available in supermarket battery sections or online for about $0.15 each - great value. I recommend keeping a few spares as they typically last 2-3 years, preventing frustration when buttons become unresponsive. Remote functions restore immediately after replacement, making long-distance locking effortless. Don't worry about cost or hassle - this DIY solution is both convenient and worry-free.

[MacLydia]

The BMW X1 key uses a CR2032 battery, which is a standard 3V coin cell. This design is quite reasonable as its compact size and stable power output make it ideal for portable devices like car keys. Based on my research, reputable brands such as Duracell or GP are recommended in the market—avoid generic brands to ensure longer battery life. Signs of battery aging include slow remote response or occasional malfunction, indicating it's time for a replacement. The replacement process is straightforward: remove the key's back cover, gently pry out the old battery with a small tool, and insert a new CR2032. Make sure to place it in the correct orientation to avoid short circuits caused by reverse installation. These batteries are widely available in stores and cost less than five yuan. Regular replacement can prevent unexpected locking issues and enhance daily convenience. BMW owners should all be familiar with this to avoid turning minor issues into major hassles.

[KadenRose]

The BMW X1 key battery model is CR2032, and I've personally experienced this. After using the key for over three years, pressing the unlock button stopped getting any response, and I almost thought it was broken. Later, a family member suggested changing the battery, which solved the problem. Just find the slot on the back of the key, pry open the plastic cover to remove the old battery, and replace it with a CR2032—it worked immediately afterward. The battery is available at regular stores, and a pack costs just five yuan. Keeping some spare batteries in the car makes it convenient for timely replacements. This experience taught me that even small things deserve attention, as a faulty key can disrupt your plans.