you might had to accept the fact you will get a harsh ride by using coil overs and yet, there's possibility that your tyres will still hit your fender when you were taking passenger at the back or going over uneven road at a speed.

To completely solve the problem, still. Change your rims to proper wide (jj) and offset that the engineer had pre-calculated to suite your car.

lol～ wouldn't say best but one of the more legit options