1166000 Removing and installing or replacing vacuum/oil pump (N47 D20 O1)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 328xi, 2010 BMW 328i, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: It is possible to remove and install the vacuum oil pump without removing the transmission.

Necessary preliminary work:

Removing oil sump.

Release screws (1).

Remove intake snorkel in direction of arrow.

Fig 1: Removing Intake Snorkel

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Release screw (1).

Fig 2: Identifying Screw

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Release screws (1).

Installation note:

Clean and blow out thread

Fig 3: Identifying Screws

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Release screws (1).

When installed, the oil pump chain must be fed out from the sprocket wheel of the oil pump drive gear; the sprocket wheel cannot be removed.

NOTE: Illustration shows gear case cover removed.

Fig 4: Identifying Gear Case Cover Screws

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Oil vacuum pump must be fed out at chain drive (1).

Fig 5: Identifying Chain Drive

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Feed out oil vacuum pump (1) in direction of arrow and remove.

Installation in reverse sequence.

Installation note:

Clean all sealing surfaces.

Fig 6: Removing Oil Vacuum Pump

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Install all screws (1) and tighten down.

Tightening torque: 11 41 1AZ .

Fig 7: Identifying Screw

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Install and tighten down screws (1).

Fig 8: Identifying Gear Case Cover Screws

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Installation note:

Clean and blow out thread

Insert and secure screw (1).

Secure screw (1) with special tool 00 9 120 .

Tightening torque: 11 41 2AZ .

Fig 9: Identifying Screw

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Assemble engine.