Older BMWs utilize a mechanical clutch fan from the factory. If your vehicle still has a clutch fan, you can validate its functionality with the 'newspaper test,' but we recommend our customers do a clutch fan delete, adding in an electronic fan to avoid sending a plastic fan blade through your hood. Alternatively, we do offer factory replacement parts for your clutch fan if you would like to keep your vehicle as BMW intended it.
This fan is driven by the belt, engaged by the fan clutch. If you have bad motor mounts, it's quite common for the blades of this fan to make contact with the radiator or radiator shroud, essentially self-destructing the fan into many peices. Be sure to get a new fan clutch, while you are replacing this.
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