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Replacing the Coolant Reservoir on a BMW 3 Series

Model: BMW Serie 3 E91, E90, E92 - Years 2005-2013

Today, you will see the instructions to remove and replace the coolant reservoir on a BMW 3 Series. First, open the hood of the vehicle and start unscrewing the cap of the coolant reservoir; then remove the plastic cover located under the engine and disconnect the radiator hose, draining the antifreeze into a container, as shown in the video. At this point, unscrew the screws of the reservoir to remove it and replace it with the new one, finally pouring in the new coolant until it reaches the maximum level mark.

Updated on 16 September 2026 by ScegliAuto

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by ScegliAuto

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