11 66 000 Removing and installing or replacing vacuum pump (N52)

WARNING: This page is about a different car, the 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary work:

Remove drive belt.
Remove belt tensioner for drive belt.
Remove sealing cap for vacuum pump.
Remove intake plenum.

Rotate crankshaft at central bolt.

Rotate camshaft sprocket (3) until drilled holes and screws (1) match up.

Screw in special tool 11 4 362.

Secure special tool 11 0 290 in sprocket (3) and on special tool 11 4 362.

Release screw (2).

Tightening torque: 11 66 2AZ

Release screws (1) and secure against falling out.

Tightening torque: 11 66 1AZ .

Remove vacuum pump towards rear.

Fig 1: Identifying Special Tool (11 0 290) And (11 4 362)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: Replace gasket.

Press chain tensioner with chain (1) in direction of arrow.

Insert special tool 11 4 120.

Remove special tool 11 0 290.

Remove camshaft sprocket (2) in direction of arrow.

Fig 2: Inserting Special Tool (11 4 120)

Courtesy of BMW OF NORTH AMERICA, INC.