Intake Manifold: Service and Repair

11 61 050 Removing and installing intake air manifold (N52T)





Necessary preliminary work:
^ Remove ignition coil cover.
^ Remove left trailing link.
^ Drain coolant.
^ Remove expansion tank.
^ Remove suction filter housing.
^ Remove throttle body.
^ Remove engine control unit from intake plenum.
^ Remove partition wall in centre of units compartment.
^ Unclip cable from holder on intake plenum.
^ Detach oil reservoir for hydraulic steering and place to one side.





Open holder (2).

Disconnect plug connection (1) under of intake plenum.

Release engine ventilation from cylinder head cover.





Disconnect plug connection (1).

Disconnect plug connection (3).

Release screws (4).

Detach engine wiring harness (2) from intake plenum and lay to one side.

For purposes of clarity, graphic shows intake plenum removed (E92).





Disconnect plug connection (1) on oil pressure switch (2).





Release fuel rail (2) and lay to one side.

Note:
Do not detach fuel line.

Release screws (1).

Tightening torque 11 61 1AZ.

Unscrew nuts (3).

Tightening torque 11 61 2AZ.

Graphic (E92).





Raise intake plenum approx. 10 cm.

Disconnect plug connections (1) at bottom.





Installation note:
Replace all gaskets.

Top up coolant.

Assemble engine.