11 61 050 Removing and installing intake air manifold (S62)

WARNING: This page is about a different car, the 2003 BMW Z8, 2002 BMW Z8, 2001 BMW Z8, and 2000 BMW Z8. However, it is still accessible from the selected car via links, so may be relevant.

Remove intake filter housing upper section with air-mass flow sensor.

The following work steps are shown on the E39. The same procedure applies to the E52 (Z8).

NOTE: A bracket for cable duct is screwed down with nut (1).

Fig 1: Releasing Nuts

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Release outer nuts
Release nuts (2)

Installation:

Install all nuts
Tighten down nuts (2) to approx. 5 Nm
Tighten down remaining nuts to approx. 5 Nm
Tighten all nuts to approx. 10 Nm

NOTE: The funnels (1) for cylinders 2/3/4/6/7/8 are identical parts.
The funnels (2 and 3) for cylinders 1 and 5 are different.

Release nuts and remove funnels (1 to 3).

Fig 2: Removing Funnels

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Installation:

Replace nuts.

Slacken screws (2) and then screws (1) from outside to inside approx. one turn.

Remove screws (2) and then screws (1).

Fig 3: Removing Screws

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Installation:

Install all bolts.

Tighten screws (1) and then screws (2) from inside to outside to preliminary torque of approx. 5 Nm.

Tighten down screws (1 and 2) from inside to outside to 10 Nm.

Installation:

Replace sealing rings (1) and gasket (2).

Fig 4: Installing Sealing Rings And Gasket

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Unclip plug connection (1) from holder.

Fig 5: Unclipping Plug Connection From Holder

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Release screws (2) on oil separator.

NOTE: Hoses on oil separator remain connected.

Carefully pull oil separator forward out of intake air manifold.

Release hose clamps (1) and remove hoses.

Fig 6: Releasing Hose Clamps

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Remove intake air manifold.