BMW

I bought a new auxilary fan thinking that might b the case but it still the same.i have to refill my coolant e 2 days.the engine get hot so fast.is it my radiator? or something aint working right?

With that big of leak you should be able to see the coolant on the ground and/or engine. i would check the water pump, if it is ok then take nbdyknws advice.