Mother being too obsessive and controlling? or am i mardy?

i have a bf we met when i was 11, ive been with him for nearly a yr.he was livin at my house but then he had to move out, my mother however tries to control me and give me times i have to be in by, if im not home by 9 she worries. shes always trying to force me to do things she wants me to do. she texts me 14/15 times a day,i cannot do anything without permission.i was given a brand new car for my 17th off my nan, as i have had enough of my mum controlling my life i decided to move in with my bf, he lives 17 miles away.my mum hates this and has taken away my car, told me never to speak to her again, given me abuse and said i can only have my car back if i stay at home 2 nights a wk i dnt wnt to do this because i dont want the arguments i want to grow up and move on in life. i am 19 years old. please give advice?