11 61 368 Replacing Charge-Air Duct (N54)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 BMW 335xi, 2010 BMW 335i, 2009 BMW 335xi, 2009 BMW 335i, and 2008 BMW 335xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Switch off ignition
Remove intake filter housing. (See 13 71 000 REMOVING AND INSTALLING/REPLACING INTAKE FILTER HOUSING (N54) )

IMPORTANT:

Charge-air hoses with clamp fastenings must be installed dry and free from grease!

If charge-air hoses with clamp fastenings are not installed dry and free from grease, this may result in turbocharger failure!

Unfasten clip.

Tightening torque, see 13 71 6AZ in 13 71 AIR INTAKE SILENCER

Installation:

Install charge-air hoses dry and free from grease.

Detach charge-air hose (1) from charge-air duct (2).

Fig 1: Detaching Charge-Air Hose From Charge-Air Duct

Courtesy of BMW OF NORTH AMERICA, INC.

Release quick-connect couplings (1) by turning lock through 90°.

Detach recirculated air hoses (2) and lay to one side.

Fig 2: Identifying Quick-Connect Couplings & Recirculated Air Hoses

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Bring lock (1) back 90° into installation position.

Pay attention to markings.

Recirculated air hoses must audibly snap into place.

Fig 3: Identifying Lock Installation Position

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug (1) and remove.

Fig 4: Unlocking Plug

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT:

Coat sealing rings of quick-connect couplings with antiseize agent.

Pressure pipes cannot be fitted without anti-seize agent!

Release screw.

Tightening torque, see 13 71 4AZ in 13 71 AIR INTAKE SILENCER

Unlock quick-connect coupling (1).

Detach charge-air duct (2) from throttle valve assembly and remove.

Installation:

Coat sealing ring of quick-connect coupling with antiseize agent.

Charge-air duct (2) must snap audibly into place.

Fig 5: Identifying Charge-Air Duct & Quick-Connect Coupling

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Read out fault memory of DME control unit