61 31 382 Replacing level switch for coolant

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WARNING: Danger of scalding!

Only perform this work after engine has cooled down.

IMPORTANT: Do not damage connected water hoses.

If necessary, catch escaping coolant and feed back in later.

If necessary, remove coolant expansion tank (2).

Release screws (1).

Pull coolant expansion tank (2) in direction of arrow out of grommet (3) underneath and raise slightly.

Disconnect plug connection from coolant level switch (4).

Installation:

Make sure coolant expansion tank (2) is correctly seated in grommet (3).

If necessary, replace grommet (3).

Fig 1: Identifying Coolant Expansion Tank, Mounting Bolts, Grommet And Coolant Level Switch

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: For purposes of clarity, illustration shows coolant expansion tank (2) removed.

Turn coolant level switch (1) in direction of arrow, pull upwards out of coolant expansion tank (2) and remove.

Fig 2: Identifying Coolant Level Switch And Coolant Expansion Tank

Courtesy of BMW OF NORTH AMERICA, INC.