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Where is the battery located in a BMW car?

1 Answers

SanCharlie

07/30/25 4:38am

BMW's battery is located under the trunk. The battery is installed in the trunk primarily so that in the event of a major collision, the sensor will automatically cut off the power supply. BMW is a German automotive brand, belonging to the BMW Group. BMW Motor Company pursues high quality, high performance, and high technology in its vehicles. BMW's brand series include the 1, 3, 4, 5, 6, 7, i, M, X, and z series. Purpose of car batteries: Mainly used for starting and lighting in cars, motorcycles, tractors, diesel engines, etc. The car battery acts as a voltage stabilizer for the entire vehicle's electrical system, mitigating impact voltage in the electrical system and protecting the vehicle's electronic equipment. When the car engine stops running or is at low idle, the battery supplies power to the car's electrical equipment. When the power demand exceeds the generator's supply capacity, the battery also participates in power supply. When the generator is operating normally, the car battery stores excess electricity generated by the generator. Car battery maintenance methods: Regularly clean the battery: As an important component of the car, the battery should be inspected promptly during use. Regularly clean the exterior of the battery, especially the dust, oil, and other dirt on the two terminals. Also, clean the appearance of the battery. If you cannot perform this yourself, it is recommended to go to a professional repair shop or 4S store for service. Reduce electrical usage when the engine is off: When the car is turned off, minimize the use of electrical appliances inside the car. Many people like to listen to the radio or use other electrical appliances while waiting on the roadside. Prolonged use during parking may drain the battery, making the car unable to start and affecting the battery's lifespan. After nighttime driving, check whether the car headlights are turned off. Replace the battery regularly: Car batteries have a limited lifespan, generally around three years or over 100,000 kilometers. If the battery is used for too long, abnormalities may occur during use. Check the battery's observation hole—under normal conditions, it should be green. If it is not green or shows another color, the owner should take note. Start the car periodically: If the vehicle is not used for an extended period, start the car regularly. During parking, the battery's charge will gradually deplete, leading to power loss. It is best to start the car periodically to recharge the battery and maintain a full charge.

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