17 51 020 Removing and installing or replacing right auxiliary water pump for charge air cooler (N63 hybrid)

WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: High-voltage system - danger to life!

WARNING: The following points must be strictly observed prior to starting work:

DE-ENERGIZE THE HIGH-VOLTAGE SYSTEM
Observe SAFETY INFORMATION for handling with hybrid cars

Necessary preliminary tasks:

Check stored fault message.
Switch off ignition.
Remove FAN COWL .
Drain coolant for charge air cooler.

Release clamp (1) and detach coolant hose.

Unlock and detach coolant hose (2).

Unlock connector (3) and remove.

Release screw (4).

Remove auxiliary water pump (5).

Fig 1: Identifying Auxiliary Water Pump, Coolant Hose, Clamp, Connector And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

After completing repair work, top charge air cooler up with coolant.

Vent COOLING SYSTEM FOR CHARGE AIR COOLER .

Check cooling system for water-tightness.

Assemble engine.

Read out the fault memory of the DME control unit.

Delete fault memory.