13 71 170 Removing air duct (N55)

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Necessary preliminary tasks:

Remove CLEAN AIR PIPE .
Remove COOLANT PUMP .
Remove COOLANT THERMOSTAT .

Release screw (1).

Tightening torque: 13 71 7AZ .

Release screw (2) on exhaust turbocharger.

Tightening torque: 13 71 8AZ .

Pull off air duct (3) from exhaust turbocharger, feed out and remove.

Fig 1: Identifying Air Duct And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.