Interior problem
2000 BMW 528 6 cyl Two Wheel Drive Automatic 154000 miles
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A fan inside the car stays on after the car is shut off.

Replace the final stage, part# 64-11-8-385-549 and your issues with the fan will be resolved. It can be accessed from the passenger foot well. Remove the carpet trim piece held in by a Phillips screw and the plastic tray under the glove box by pulling it forward and then there is a chunk of gray foam, pull it out and you can view the final stage, it is held in with a plastic tab.