My boyfriends friend hates me because he's been told lies about me and my bf has stuck up for me telling him it's not true. I want to text his friend to make things better but don't know what to say??

First take a deep breath in and relax. Next you need to talk to him but don't accuse him right away. Ask him politely why he said what he said. If he ignores then f*** him. He's probably jealous of the relationship you have with your bf. Best of luck