how to take out the fan from the water pump on 1990 BMW 525i

how do i take out the fan out the water pump to change the water pump out of a 1990 bmw 525i

Asked by for the 1990 BMW 525i
need a answer
3 more answers they sell this special tool for 32 bucks, you need this to take out the big bolt on the water pump. spray w40 to loose up the bolt first, then use the special tool. Also check out under technical, they show you how to remove water pump step by step. good luck
would like to know the answer to question
How to install belt on a bmw 525I 92