LEMON Manuals: Even more car manuals for everyone
Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2568 (Steering And Wheel Alignment - Repair - E90/E92 (AWD)) >> 3241 Pump And Oil Supply >> 3241060 Removing and installing or replacing hydraulic steering vane pump (N51, N52, N53) >> Necessary preliminary work

Necessary preliminary work

WARNING: This page is about a different car, the 2011 BMW 328xi, 2010 BMW 335xi, 2010 BMW 328xi, 2009 BMW 335xi, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Release hose clamp (1) and detach intake pipe (2) from vane pump.

Installation note: 

Markings on intake pipe and vane pump connection must match up.

Fig 1: Identifying Hose Clamp And Intake Pipe
G04726415Courtesy of BMW OF NORTH AMERICA, INC.

Release bolt (1) and remove bracket with refrigerant line.

Unfasten screws (2).

Installation note: 

Replace aluminum screws. 

Observe screwing sequence!

Fig 2: Identifying Bracket With Refrigerant Line Screws And Bolts
G04726413Courtesy of BMW OF NORTH AMERICA, INC.

Release banjo bolt (1) and disconnect pressure line.

Installation note: 

Replace all sealing rings (D).

Make sure pressure line is laid without tension and with sufficient distance to adjoining components.

Tightening torque 32 41 8AZ.

Fig 3: Identifying Sealing Rings With Bolts
G04726417Courtesy of BMW OF NORTH AMERICA, INC.

Release bolts (2) and remove vane pump towards bottom.

Installation note: 

Replace aluminum screws. 

Observe screwing sequence!