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.
The auxiliary fan switch activates the auxiliary cooling fan to provide additional cooling under high heat loads, and when the car is stationary. Also known as the coolant temperature sending unit, comes with related o-ring
Show More Show Less