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The fan is attached to the fan clutch at the front of the engine. It is held on by one very large nut (I think it's 32mm). Usually you will need to remove the plastic fan shroud first. The difficult part of this is that the nut holding on the fan is a reverse thread, the opposite of what you would expect it to be. You turn it clockwise to loosen. Also, you might need a special tool (Google "BMW fan clutch tool") to hold the fan clutch and keep it from turning when you remove the fan.

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13y ago

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