13 71 165 Removing bottom clean air pipe (N20)

Necessary preliminary tasks: 

• Remove top CLEAN AIR PIPE .
• Remove ENGINE VENTILATION LINE .
• Remove front UNDERBODY PROTECTION .

Unlock tank ventilation line (1) and disconnect.

Fig 1: Identifying Tank Ventilation Line

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Release nut (1) below bottom clean air pipe (2).

Tightening torque: 13 71 3AZ .

Pull off, thread out and remove bottom clean air pipe (2) from exhaust turbocharger.

Check gasket, renew damaged gasket.

Fig 2: Identifying Air Pipe And Nut

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Assemble engine.