Necessary preliminary work

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2014 BMW Alpina B7L, 2014 BMW Alpina B7, and 2013 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

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 With Mounting 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 With Mounting Bolts And Screws

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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 Sealing Ring And Drive

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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.