An additional belt driven cooling fan with a viscous clutch is attached to the engine coolant pump.
E39 aux fan resistor pack.
On this fan the fluid in the viscous clutch is affected by engine compartment temperature which in turn controls fan speed.
Make sure this fits by entering your model number.
Auxiliary fan resistor repair kit brand new part with full 1 year warranty.
Tools needed was a 1 4 ratchet 8mm 10mm 13mm sockets 8inch extention came in handy a 3 8 ratchet and a t 45 torks socket bit needlenose pliers and a small pick to drive out the plastic push ins.
Bmw part 67 32 8 371 873 check fit below.
This fits your.
Bmw e38 e39 auxiliary fan resistor repair kit genuine new oem visit the bmw store.