LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2013 >> Z4 28i, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Engine - Repair (N54)) >> Vacuum Pump >> 11 66 000 Removing and installing/replacing vacuum pump (N54, N54T)

11 66 000 Removing and installing/replacing vacuum pump (N54, N54T)

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary work: 

Rotate crankshaft at central bolt.

Turn camshaft sprocket until drilled holes and screws of vacuum pump match up.

Screw in special tool 11 8 650

Secure special tool 11 0 290 in camshaft sprocket and to special tool 11 8 650 .

Release screw (1).

Tightening torque 11 66 2AZ .

Fig 1: Positioning Special Tool 11 0 290 On Sprocket Wheel And On Special Tool 11 8 650
G04755017Courtesy of BMW OF NORTH AMERICA, INC.

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

Install special tool 11 4 120 .

Remove camshaft sprocket (2) in direction of arrow.

Fig 2: Removing Sprocket Wheel
G04755074Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 11 66 1AZ .

Release screws (1).

Secure screws (1) against falling.

Remove vacuum pump.

Installation note: 

Replace gasket. 

Fig 3: Identifying Vacuum Pump Screws
G04755075Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.