F30 Horn sounding off

[BeanBooi]

I have a weird one the horn on my F30(2014 320i) is sounding sickly not as loud apparently its a common F30 problem. Did anyone come across this problem?

 

[S1NGH 911]

There are two horns, high and low, one of them have probably given up, common on the F30

 

[BeanBooi]

Thanks, Singh let me get it diagnosed.