13 71 150 Removing clean air pipe (N47 D20 O1)

Necessary preliminary work:

At the clean air pipe (1), undo the clamps (2).

Pull the clean air pipe (1) off the intake filter housing.

Fig 1: Identifying Air Pipe And Clamps

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Unlock connector on hot film air mass meter and pull off.

Release clamp (2).

Tightening torque: 13 71 3AZ .

Feed out upper part of clean air pipe towards top and remove.

Fig 2: Identifying Clamp And Connector

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Press down locking hook and detach hose (2) for engine ventilation.

With the heating element installed, unlock connector from heating element and pull off.

Release screw (2).

Tightening torque: 13 71 4AZ .

Release clip (3) on exhaust turbocharger and detach bottom section of clean air pipe, feed out and remove upwards.

Fig 3: Identifying Hose, Screw And Clip

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Assemble engine.