11 61 368 Removing and installing/replacing rear left charge-air duct (N55)

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2015 BMW 740i, 2015 BMW 740Li xDrive, 2015 BMW 740Li, 2014 BMW 740i, and 2014 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove left SUSPENSION CROSS-BRACE .
Remove INTAKE SILENCER HOUSING .

Unlocked
Locked

Installation note:

Ensure locking clamps are correctly fitted.

Lock must engage.

Fig 1: Identifying Charge Air Duct Lock And Unlock Positions

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock snap fastener (1).

Unclip vacuum hose (2) and lay to one side.

Disconnect plug connection (3).

Installation note:

plug connection (3) must snap audibly into place!

Illustration shows N54.

Fig 2: Identifying Vacuum Hose, Snap Fastener And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten hose clamp (2).

Detach rear charge-air duct with gaiter (1) from front charge-air duct (3).

Fig 3: Identifying Charge Air Duct, Gaiter And Hose Clamp

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Risk of breakage!

Bracket (1) of charge-air duct (3) may break during removal.

Carefully lever out bracket (1) with a suitable tool in upward direction.

Detach charge-air duct (3) from intake plenum connection (2) and remove in upward direction.

Fig 4: Identifying Charge Air Duct, Bracket And Intake Plenum Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

The gasket inside the snap fastener and bracket (1) must be coated with lubricant.

Charge-air duct (3) must snap audibly into place!

Assemble engine.