Bad Car

I bought a BMW in August from Capital Auto World and was made aware of the minor issues that the car had which I advised I would fix. 2 month down the cooling system got messed up. The radiator had a crack in it which I changed and then I was told that the water pump is also messed up. I'm now spending over R10000 to get the cooling system fixed. Had I been told that the cooling system was messed up I wouldn't have bought the car. Grant from the dealership wasn't fully honest with me about the condition of the car.