Intake Manifold: Service and Repair

11 61 050 Removing And Installing Intake Plenum (N55)







Necessary preliminary tasks:
- Disconnect battery earth lead.
- Remove microfilter housing lower section.
- Remove intake silencer housing.
- Remove ignition coil cover.







Disconnect all plug connections (1) on engine control unit.







Open retaining clip (1).
Release wiring harness section (2) from retaining clip (1).







Release all wiring harness sections from holder (1).
Disconnect plug connection (2) at charging pressure sensor.







Release all wiring harness sections from holders (1 and 2).







Disconnect plug connection (1) on tank vent valve.







Press and hold down the unlocking device on the vacuum line (1) on the vacuum reservoir (cylinder head cover) in the direction of the arrow.
Detach vacuum line (1) in upward direction.







Detach vacuum line (2) in upward direction.







Disconnect plug connection (1) on throttle valve drive.







Release screw (1).
Tightening torque: 11 61 2AZ.
Unscrew nuts (2).
Tightening torque: 11 61 1AZ.







Installation note:
Replace all gaskets.
Assemble engine.