13 71 150 Removing clean air pipe (N55)

Necessary preliminary work

Release clamps (1).

Tightening torque 13 71 3AZ .

Unlock plug (2) on air-mass sensor and disconnect.

Disconnect clean air pipe (3) from rubber mount at top and remove.

Fig 1: Identifying Clean Air Pipe, Air Mass Sensor Plug And Clamps

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Unlock tank ventilation line (1) and disconnect.

Release screw (2).

Tightening torque 13 71 5AZ .

Unlock plug (3) from heating element and disconnect.

Do not loosen the vent hose at cylinder head cover (4). Risk of damage to the cylinder head cover!

Release screws at clean air pipe and disconnect vent hose from clean air pipe.

Release clamp (5).

Tightening torque 13 71 7AZ .

Remove clean air pipe.

Fig 2: Identifying Tank Ventilation Line, Heating Element Plug, Cylinder Head Cover And Clamp

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Assemble engine.