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Home >> BMW >> 2009 >> 135i 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System - Repair >> Intake Silencer >> 13 71 000 Removing and installing/replacing the intake silencer housing (N54, N54T)

13 71 000 Removing and installing/replacing the intake silencer housing (N54, N54T)

Necessary preliminary tasks: 

Unclip B+ cable strip (1).

Fig 1: Unclipping Cable Strip
G00532637Courtesy of BMW OF NORTH AMERICA, INC.

Illustration shows microfilter housing removed for purposes of clarity. Pull wiring harness mounting (1) up.

Fig 2: Pulling Wiring Harness Mounting Up
G00532638Courtesy of BMW OF NORTH AMERICA, INC.

Release clamp (1) and detach air intake hose. Tightening torque, see 13 71 2AZ .

Fig 3: Detaching Air Hose
G00532640Courtesy of BMW OF NORTH AMERICA, INC.

Release clamp and detach air intake hose. Tightening torque 13 71 1AZ . Unlock and disconnect line (1). Unclip line (1) from air filter housing.

Fig 4: Identifying Air Filter Housing
G05502101Courtesy of BMW OF NORTH AMERICA, INC.

Slightly raise front of intake silencer housing (1) in direction of arrow. Press rear of intake silencer housing upwards out of mounting points and remove.

Fig 5: Raising Front Of Intake Silencer Housing
G00532639Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:  Push rear area of intake silencer housing (1) under B+ cable strip (2) and guide (3). While doing so, push guide (3) up a little.

Fig 6: Pushing Guide Upward
G00532641Courtesy of BMW OF NORTH AMERICA, INC.