61 31 382 Replacing coolant level switch (N55)

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

Necessary preliminary tasks:

Remove TRAILING LINK .
Remove INTAKE PORT .

Release screws (1).

Lift out coolant expansion tank (2) with oil reservoir (3) in direction of arrow.

Fig 1: Lifting Coolant Expansion Tank With Oil Reservoir

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Turn coolant level switch (2) in direction of arrow and pull downwards out of expansion tank (3).

Fig 2: Turning Coolant Level Switch

Courtesy of BMW OF NORTH AMERICA, INC.