17 51 020 Removing and installing or replacing supplementary coolant pump for inter cooler (N63, S63)

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Check stored fault message.
Turn off ignition.
Remove FAN COWL .
Drain coolant for intercooler.

Release clamp (1) and detach coolant hose.

Unlock and detach coolant hose (2).

Unlock plug (3) and remove.

Release screw (4).

Remove supplementary coolant pump (5).

Fig 1: Identifying Supplementary Coolant Pump, Coolant Hose, Plug, Clamp And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

After completing work, fill intercooler with coolant.

Vent COOLING SYSTEM FOR INTERCOOLER .

Check cooling system for leaks.

Assemble engine.

Read out fault memory of DME control unit.

Delete fault memory.