Are you sure the pump is constantly driven?
Just found this online from evo magazine:

ââ?¬Å? It's driven by a friction wheel pressing on the back of the auxiliary drive belt, and a servomotor ensures the wheel is only in contact when there's a need for water flow. That gives a quick warm-up and saves energy. And because the pump isn't subject to the drive belt's tension, it can have a smaller bearing and a plastic housing.ââ?¬Â�

Only saying this as changed the belt on mine and it�s not spinning either haven�t let it warm up yet!

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This post was auto-generated based upon a question asked on our tech article page here: MINI Cooper R56 Friction Wheel Replacement (2007-2011) | Pelican Parts DIY Maintenance Article

In the US - yes I am sure.

- Nick