11 66 000 Removing and Installing/Replacing Vacuum Pump (N55) (up to production date March 2012)

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2017 BMW 535i GT, 2016 BMW 550i GT xDrive, and 2016 BMW 535i GT xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools Required:

Necessary Preliminary Tasks:

Remove DRIVE BELT .
Remove TENSIONER for Drive Belt.
Remove SEALING COVER for Vacuum Pump.
Remove HIGH PRESSURE PUMP .
Disconnect Vacuum Line From Vacuum Pump.

Rotate Crankshaft At Central Bolt.

Turn Sprocket Wheel Until Drilled Holes and Screws of Vacuum Pump Match Up.

Screw In Special Tool 11 8 650 .

Secure Special Tool 11 0 290 In Sprocket and To Special Tool 11 8 650 .

Release Screw (1).

Tightening torque 11 66 2AZ .

Fig 1: Releasing Sprocket Screw Using Special Tools

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Press Chain Tensioner (1) with Chain In Direction of Arrow.

Install Special Tool 11 4 120 .

Remove Sprocket (2) In Direction of Arrow.

Fig 2: Pressing Chain Tensioner and Removing Sprocket

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Release Screws (1).

Tightening torque 11 66 1AZ .

Release Screws (1).

Secure Screws (1) Against Falling Out.

Remove Vacuum Pump.

Installation Note:

Replace Seal.

Fig 3: Identifying Screws

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Assemble Engine.