This works for all e39 models and all cars are basically like this when you want to install a electric fan.
This is the fan kit I used 16" fan it came with a thermostat sensor switch, relay and circuit breaker. Everything I needed. I also had to get a hose adapter kit for the coolant temp switch to attach
The fan kit link
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The 3/8 coolant switch adapter
[ Ссылка ]
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