11 66 000 Removing and installing the vacuum pump (PHEV)

WARNING: High-voltage system - danger to life

Necessary preliminary tasks:

Press brake pedal several times in order to reduce vacuum pressure in brake booster.
Remove ACOUSTIC COVER .
Remove PARTITION WALL from the engine compartment.

Removal:

NOTE: For purposes of clarity, this work step is shown on the engine after it has been removed.

Undo vacuum line (1) of brake servo.

Undo vacuum line (2) of turbocharger controls.

Loosen screws (3).

Tightening torque: 11 66 1AZ .

Remove vacuum pump (4) toward the rear.

Fig 1: Identifying Vacuum Pump, Vacuum Lines And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Installation note:

Check sealing ring (1) for damage and replace if necessary.

Apply light coating of oil to sealing ring (1).

Align the drive (3) of the vacuum pump to the groove (2) of the exhaust camshaft.

Installation of the vacuum pump can be greatly eased by turning and pushing simultaneously.

Fig 2: Aligning Vacuum Pump Drive And Exhaust Camshaft Groove

Courtesy of BMW OF NORTH AMERICA, INC.

Check function of DME.