This pump is not connected to the cooling of the engine. Refer to repair instruction ra 11 53 090 removing and installingreplacing auxiliary water pump for exhaust turbocharger n63 for replacement of the pump and proper coolant bleeding procedures.

Turbocharged 944 Cooling System
Electric auxiliary water pump for turbocharger. After the engine is shut off the electric cooling fan may continue to run after the engine is shut off in two different scenarios. In this video we look at replacing the auxiliary water pump fitted to cool the tubrocharger on a bmw mini cooper 2 r56. Replace the auxiliary water pump for the turbochargers. It is mounted to the engine block below the turbocharger. The issue could be the auxiliary water pump. Genuine porsche part 9a262025100 9a162025100 engine auxiliary water pump.
Okay motor turbocharger auxiliary water pump for mini cooper r55 r56 r60 r61 cooper s jcw n18 16l shinehome water pipe with o ring water pump to thermostat for mini cooper r55 r56 r57 r58 r59 countryman r60 paceman r61 11537589713 11537541845. Cooper turbocharger auxiliary water pump 11537630368. Typewater pump colorblack manufacturer part number11537630368. Fits 718 boxster 718 cayman 911. Turbocharger auxiliary water pump turbocharger coolingmade by pierburg oem. Part 11 51 7 629 916 all orders 55 and over will qualify for free shipping lower 48 states only orders under 55 will have a low cost shipping option available at checkout.
The auxiliary coolant pump is used to supplement the engine coolant pump to help with turbocharger cooling. After switching off the engine the electric auxiliary water pump conducts heat away from the turbocharger. If too little coolant is circulated the blower fan will pull enough heat out of the coolant and cause the heater core to get cold. The system is operating as designed. Ships from byers porsche parts columbus oh. Its primary function is to circulate warm coolant to the heater core.
Under certain conditions the pumps electronic circuit board can malfunction. The auxiliary pump is controlled electronically by an engine control unit. For 2009 2014 r57 cooper jcw for 2009 2014 r55 cooper jcw clubman for 2012 2014 r58 cooper jcw coupe for 2012 2014 r59 cooper jcw roadster for 2007 2008 r56 cooper s hatchback for 2009 2013 r56 r57.