The MINI Cooper S uses a different type of powering steering setup than most cars. Rather than having the power steering pump driven by the engine belts, the pump is driven by an electric motor. While this frees up some power from not being driven off the engine belts, it also has a disadvantage. As the pump runs, it gets hotter and hotter. It is also located directly below the exhaust manifold, which adds to the heat problems.

BMW's solution to this problem was to mount a small electric fan just in front of the steering rack. When the power steering pump reaches a certain temperature, a thermostat controlled switch activates the fan. The fan then draws cooler air up and over the pump, keeping it cool, and preventing the power steering pump from locking up under high heat. In some cases, the fan can lock up, preventing the cooling of the power steering pump, which in turn causes the pump to overheat and fail.

We offer the fan and grille as a single unit for the Cooper & Cooper S through ’06 and the convertible through ‘08:
Power Steering Pump Fan Assembly

If you’re going to take on this project yourself, take a look at our DIY article:
Power Steering Fan Replacement

Let us know what questions you have anytime!
Mark/Pelican Parts