11 66 000 Removing and installing/replacing vacuum pump (N63)

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Installation note:
Due to the risk of damage to the engine gaskets/seals and the lack of brake boosting, make sure before starting the engine that all the vacuum lines are connected.

Vacuum pump is fitted on cylinder head 1 to 4 at rear on intake camshaft.

Necessary preliminary work

Press brake pedal several times in order to reduce vacuum pressure in brake booster.
Remove right CATALYTIC CONVERTER .
Remove right heat shield.
Detach vacuum line from vacuum pump.

Release screws (1).

Remove heat shield (2).

Remove vacuum hose.

Fig 1: Identifying Heat Shield And Screws

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Release screws (1).

NOTE: Bolts (1) are secured against falling out.

Release screw (2).

Remove vacuum pump (3).

Fig 2: Identifying Vacuum Pump, Screws And Bolts

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Drive (1) must be rotated into correct position prior to installation.

Installation note:

Replace sealing ring (2) and coat with grease to facilitate fitting.

Fig 3: Identifying Drive And Sealing Ring

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Installation note:

Align vacuum pump drive to groove (1) of intake camshaft.

Vacuum pump can best be installed when groove (1) is vertically aligned.

Fig 4: Identifying Of Intake Camshaft Groove

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Check function of DME.

Check vacuum pump for leaks and correct operation.