12 14 650 Replacing differential-pressure sensor on intake plenum (N55)

Necessary preliminary work: 

• Read out fault memory of DME control unit.
• Switch off ignition.
• Remove INTAKE SILENCER HOUSING .

Unlock connector (1) and remove.

Release screws and pull differential pressure sensor (2) out of intake plenum.

Tightening torque: 13 62 2AZ .

Fig 1: Locating Pressure Sensor Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Check sealing ring for damage. Replace damaged sealing ring.

When installing, coat sealing ring with suitable lubricant.

Fig 2: Locating Sealing Ring

Courtesy of BMW OF NORTH AMERICA, INC.