11 53 590 Removing and installing/replacing auxiliary water pump (N14, N18)

WARNING: This page is about a different car, the 2016 MINI Cooper Paceman, 2015 MINI Cooper Paceman, 2014 MINI Cooper Paceman, and 2013 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

17 2 052

Necessary preliminary tasks:

Remove FAN COWL WITH ELECTRIC FAN .
Drain COOLANT .
Remove left CHARGE AIR HOSE .

Fig 1: Identifying Disconnect Tools

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: To disconnect coolant hoses, use commercially available disconnect tools such as HAZET brand tools (see table).

HAZET number	Designation
4590-1	Length of disconnect pliers (mm): 150
4590-2	Length of disconnect pliers (mm): 180
4590-3	Length of disconnect pliers (mm): 253
4590/2	Disconnect pliers set
4590/3	Disconnect pliers set

IMPORTANT: Taking into account for troubleshooting!
In some vehicles, an additional fuse (1) for the auxiliary coolant pump is installed in the vicinity of the DME control unit.

Fig 2: Identifying Additional Fuse For Auxiliary Coolant Pump

Courtesy of BMW OF NORTH AMERICA, INC.

Clamp off coolant hoses

Release hose clip (1 and 2) with special tool 17 2 052 .

Release coolant hoses from auxiliary water pump.

Disconnect plug connection (4).

Release screws (3).

Tightening torque: 11 53 3AZ .

Fig 3: Identifying Hose Clamps, Plug Connection And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Vent COOLING SYSTEM .

Assemble engine.