13 71 150 Removing clean air pipe (N55)

Necessary preliminary work:

Release clamps (1).

Tightening torque: 13 71 3AZ .

Unlock connector (2) on hot film air mass meter and disconnect.

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

Fig 1: Identifying Clean Air Pipe 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 release vent hose at the cylinder head cover (4). Risk of damage to cylinder head cover!

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

Fig 2: Identifying Tank Ventilation Line And Screw

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Release clamp (5).

Tightening torque: 13 71 7AZ .

Remove clean air pipe.

Assemble engine.