12 14 650 Replacing suction pressure sensor on intake air manifold (N54, N54T)

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Read out fault memory of DME control unit
Switch off ignition

NOTE: The installation location of the suction pressure sensor is at the rear end of the intake air manifold.

Preparatory tasks:

Remove microfilter housing . See MICROFILTER .

Unlock plug (1) and remove.

Release screws and pull suction pressure sensor (2) out of intake air housing.

Tightening torque 13 62 2AZ, see 13 62 SENDERS FOR CONTROL UNIT .

Fig 1: Identifying Suction Pressure Sensor And Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Check sealing ring for damage, replace if necessary.

When installing, coat sealing ring with suitable antiseize agent.

Fig 2: Locating Sealing Ring

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Check stored fault messages.
Now clear the fault memory.