17 51 001 Removing and installing/replacing left charge air cooler (N63)

WARNING: This page does not describe the selected car, but rather 23 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750i, and 2015 BMW 750Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

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

Necessary preliminary tasks

Remove ACOUSTIC COVER
Remove front UNDERBODY PROTECTION .
Remove FAN COWL .
FOLLOW instructions for repair work on the cooling system.

Release clamp (1).

Tightening torque 13 71 8AZ .

Release clamp (2).

Replace clamp (2).

Remove left charge-air duct (3).

Installation note:

Check the gasket on the exhaust turbocharger. replacing if necessary.

Fig 1: Identifying Left Charge-Air Duct And Clamps

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: When loosening the coolant hoses from the charge air cooler, make sure that the connector remains connected to the throttle body. Coolant may not penetrate the plug connection at the throttle body.

Disconnect coolant hoses from charge air cooler using PINCH-OFF TOOLS (to prevent coolant from escaping).

Catch and dispose of escaping coolant.

Release and disconnect coolant hoses (1).

Remove tank vent valve (2) from charge air cooler (3).

Fig 2: Identifying Coolant Hoses, Tank Vent Valve And Charge Air Cooler

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock connector (1) and remove.

Release screw (2).

Tightening torque 13 71 6AZ .

Installation note:

Screw (2) is longer than screws (3)

Release screws (3).

Tightening torque 13 71 6AZ .

Release clamp (4) on throttle valve unit.

Tightening torque 13 71 7AZ .

Lift out charge air cooler.

Replace faulty hose clamps.

Fig 3: Identifying Charge Air Cooler Connector, Mounting Screws And Clamps

Courtesy of BMW OF NORTH AMERICA, INC.

Reassemble the vehicle.

After having completed repair work, coolant level for charge air cooler and top up if necessary.