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Home >> BMW >> 2018 >> M6 Automatic DCT Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Turbocharger, Intake Plenum, Water Pump, Thermostat, And Oxygen Sensors - Repair - F12 >> Intake Manifold >> 11 61 368 Removing and installing/replacing rear left charge-air duct (N55)

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

Necessary preliminary tasks: 

  1. Unlocked
  2. Locked

Installation note: 

Ensure locking clamps are correctly fitted.

Lock must engage.

Fig 1: Identifying Rear Left Charge-Air Duct Clamps
G09846240Courtesy 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!

NOTE: Illustration shows N54.
Fig 2: Identifying Vacuum Hose Plug Connection And Snap Fastener
G09875061Courtesy 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 Front And Rear Charge-Air Duct, Hose Clamp
G09875062Courtesy 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.

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!

Fig 4: Identifying Charge-Air Duct Bracket And Intake Plenum Connection
G09875063Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.