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How to Replace the Battery in a BMW 2 Series F46

Model: BMW Serie 2 F45 - Years: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
Part: Battery

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The battery of the 2 Series is located in the engine compartment (not in the trunk like many BMWs): remove the plastic cover that covers it. The terminal nut is an M13 that needs to be unscrewed. Always disconnect the negative terminal first, then the positive.

To have enough space, remove the air intake and the air filter: the sensor is secured with two nuts that need to be removed, then disconnect the air filter. Remove another plastic piece that blocks the battery, and at this point, you can take it out. After replacing the battery, it is essential to perform coding with a specific diagnostic tool; this is necessary to inform the control unit that a new battery has been installed, otherwise, the system may not charge it correctly and reduce its lifespan.

The battery must be an AGM.


Posted on 11 November 2026 by ScegliAuto


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