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

WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: High-voltage system - danger to life!

WARNING: The following points must be strictly observed prior to starting work:

DE-ENERGIZE THE HIGH-VOLTAGE SYSTEM
Observe SAFETY INSTRUCTIONS for handling with hybrid vehicles

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

Necessary preliminary tasks:

Follow INSTRUCTIONS FOR WORKING on cooling system
Remove COVER from electronics box power module
Drain coolant for intercooler
Release COOLANT EXPANSION TANK

Release screws (1).

Tightening torque 17 10 5AZ .

Slightly pull expansion tank (2) in upward direction

Fig 1: Identifying Expansion Tank And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and disconnect coolant hoses (1).

Installation:

Insert guide (2) back into rubber mounting.

Fig 2: Identifying Coolant Hoses And Guide

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

After completing work, fill intercooler with coolant.

Vent COOLING SYSTEM FOR INTERCOOLER .

Check cooling system for leaks.