17 51 001 Removing and installing/replacing left intercooler (S63)

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.

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

Necessary preliminary tasks

Remove acoustic cover.
Remove front UNDERBODY PROTECTION .
Remove FAN COWL .
Drain coolant for intercooler.

Release clamps (1) and (2).

Replace clamps.

Pull off wastegate lines (3) from air duct.

Fig 1: Identifying Air Duct Wastegate Lines And Clamps

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Release clamps (1).

Replace clamps.

Release screw (2).

Tightening torque 13 71 13AZ .

Release screws (3) from charge air cooler.

Tightening torque 13 71 6AZ .

Unlock plug (4) and remove.

Remove air duct (5).

Fig 2: Identifying Air Duct, Plug, Clamps And Mounting Screws

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IMPORTANT: When detaching the coolant hoses from the intercooler, make sure that the connector remains connected to the throttle valve assembly. Do not allow any coolant to get into the plug connection on the throttle valve assembly.

Unlock and disconnect coolant hoses (1) and (2).

Replace faulty clamps.

Remove tank vent valve (3) from charge air cooler.

Fig 3: Identifying Tank Vent Valve And Coolant Hoses

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Unlock plug (1) and remove.

Release screw (2).

Tightening torque 13 71 6AZ .

Unscrew screws (3).

Tightening torque 13 71 6AZ .

Release clamp (4) on throttle valve unit.

Tightening torque 13 71 7AZ .

Lift out intercooler.

Fig 4: Identifying Intercooler Plug, Throttle Valve Unit Clamp And Mounting Screws

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After completing work, fill intercooler with coolant.

Vent COOLING SYSTEM FOR INTERCOOLER .

Check cooling system for leaks.

Assemble engine.