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

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

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

Necessary preliminary tasks:

Follow INSTRUCTIONS FOR WORKING on cooling system.
Drain intercooler coolant from expansion tank.
Remove FAN COWL .

Release screws (1).

Tightening torque: 17 10 2AZ .

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

Installation:

Replace faulty clamps.

Remove expansion tank (3).

Fig 1: Identifying Coolant Hoses, Screws And Expansion Tank

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Assemble engine.

After completing work, fill intercooler with coolant.

Vent COOLING SYSTEM FOR INTERCOOLER .

Check cooling system for leaks.