13 41 100 Removing and installing/replacing supplementary air line (S65)

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove intake air manifold . See 11 61 050 REMOVING AND INSTALLING AIR INTAKE MANIFOLD (S65) .
Partially disconnect and raise engine wiring harness . See 12 51 001 REPLACING WIRING HARNESS SECTION FOR ENGINE (S65) .
Unclip holders for supplementary wiring harness

Remove idle air hose (2).

Replace clamps.

Lever idle actuator out of holder.

Fig 1: Identifying Idle Air Hose And Air Intake Hose

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Release screws, detach idle air line.

Remove intake manifold pressure sensor on bank 2.

Fig 2: Locating Idle Air Line Screws

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Before installing, check O-rings on unions and apply a light coating of grease.

Assemble engine.

Fig 3: Locating O-Rings On Unions

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