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

WARNING: This page does not describe the selected car, but rather 23 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750i, and 2015 BMW 750Li xDrive. 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, Bolts And Screw

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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 Intake Camshaft Groove

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Check function of DME.

Check vacuum pump for leaks and correct operation.