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

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 cover 1 to 4 at rear on intake camshaft.

Necessary preliminary tasks:

Press brake pedal several times in order to reduce vacuum pressure in brake booster.
Detach vacuum line from vacuum pump.
Remove PARTITION WALL of units compartment at center and right.
Remove right TRAILING LINK .

Release screws (1).

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

Remove vacuum pump (2).

Fig 1: Identifying Vacuum Pump And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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

Tightening torque. 11 66 1AZ .

Installation note:

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

Fig 2: Identifying Drive And Sealing Ring

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

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

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

Illustration shows N63.

Fig 3: Aligning Vacuum Pump Drive To Groove Of Intake Camshaft

Courtesy of BMW OF NORTH AMERICA, INC.

Check function of DME.

Check vacuum pump for leaks and correct operation.