A coolant input hose located under manual fold on a 330i year 2004,y does it keepittingcoolantout

What is your question?

It's been roughly 2months, my friend has been trying to fix this hose right under the manual fold, hes gone far as makn his own piece to in their, clamp after clamp, even taking it with a special kind of tape, coolant still in tends to leak out where he just fixed it , I'm hoping u will know what it is I'm explaining to yu and I'm hoping to be able to have explained it right ..any kind of info as too what he is doing wrong or what he can do, I'm hoping yu can help with a solution..plz...thank yu in adrvance

How long has your 2004 BMW 330i had this problem?

2 to 3 months