Auxillary Turbo Coolant circulating pump?
 

I suspect mine isn't working anymore. I don't remember hearing it running for the longest time after the car shuts off. I tried testing the leads with an Ohm meter and i get open circuit. I applied 12vdc with both normal and reverse polarity directly to the motor and nothing. Any tips to resurrect it? Or links to one that isn't $300? Or do I just idle the car for a minute after driving to circulate the coolant through the turbo?

Thanks.

Audi uses a very similar turbo coolant pump which is a better design and much cheaper. The major difference is the connection, which should be a simple conversion using a connector (much like a fuel injector connector) salvaged from an old harness, etc.

^^ Nice find. Love seeing people find alternative OEM parts from other vehicles that are a fraction of the cost and almost exactly the same. For quick ref its Bosch 0392020073

Good stuff looks like it would work nicely.