61 31 382 Replacing coolant level switch

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

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

Necessary preliminary tasks

Remove TRAILING LINK .
Remove intake port. See 13...... REMOVING INTAKE DUCT (N63) .

Release screws (1).

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

Fig 1: Lifting Out 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.