17 13 020 Removing and installing/replacing intercooler expansion tank (N63)

WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2017 BMW M6, 2017 BMW 650i xDrive, 2017 BMW 650i, 2017 BMW 640i xDrive, and 2017 BMW 640i. However, it is still accessible from the selected car via links, so may be relevant.

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

Necessary preliminary work:

Remove ACOUSTIC COVER
Drain coolant for charge air cooler.

Release screws (1).

Tightening torque 17 10 7AZ .

Release coolant hoses (2) from expansion tank (3) and detach.

Installation note:

Replace faulty clamps.

Remove expansion tank (3).

Fig 1: Identifying Coolant Hoses, Expansion Tank And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

After completing the repair work, fill charge air cooler with coolant.

Vent COOLING SYSTEM for intercooler.

Check cooling system for charge air cooler for leaks.