61 31 382 Replacing level switch for coolant

WARNING: This page is about a different variant/trim than selected.

WARNING: Danger of scalding!
Only perform this work after engine has cooled down.

Release screws (1).

Raise expansion tank (2) slightly.

Fig 1: Releasing Expansion Tank Screws

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Installation:

Insert locating pin (1) into locating bore (2).

Fig 2: Locating Pin On Expansion Tank Into Bore

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IMPORTANT: Do not damage connected water hoses.
Reposition expansion tank as far as possible until coolant level switch (2) forms the highest point. This will prevent coolant from escaping on opening.
If necessary, catch escaping coolant and feed back in later.

Disconnect plug connection (1).

Turn coolant level switch (2) approx. 90° in direction of arrow and pull out.

Fig 3: Removing Level Switch For Coolant

Courtesy of BMW OF NORTH AMERICA, INC.