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

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. 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:

Remove ACOUSTIC COVER
Drain coolant for intercooler

Release screws (1).

Tightening torque 17 10 7AZ .

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

Installation:

Replace faulty clamps.

Remove expansion tank (3).

Fig 1: Identifying Intercooler Expansion Tank, Coolant Hoses And Mounting Screws

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Assemble engine.

After completing work, fill intercooler with coolant.

Vent COOLING SYSTEM for intercooler.

Check cooling system for intercooler for leaks.