Releasing the coolant expansion tank of high-temperature coolant circuit

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2023 BMW M240i xDrive, 2023 BMW M240i, 2023 BMW 230i xDrive, 2023 BMW 230i, and 2022 BMW M240i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: TECHNICAL INFORMATION
Do not disconnect the coolant lines.
Do not open the coolant circuit.

Unlock plug connection (1) and disconnect.
Loosen the clamp (arrow).
Unlock coolant expansion tank (2) for the low-temperature coolant circuit in marked area (3).

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Feed the coolant expansion tank (1) for the low-temperature coolant circuit out of the holders and position.

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Unlock the holder (1).
Feed out coolant line (2) and place to one side.

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NOTE: To provide a better overview: Schematic diagram with partially hidden components.
If necessary, unlock the lock (1) on coolant expansion tank (2).

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Unlock lock (1).
Feed out the coolant expansion tank (2) for the high-temperature coolant circuit upwards and set aside.

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