bmw e46 318i help,changing pads on brakes

[g@ry]

hi
is it an easy job?
what tools do i need?
also one of the sensors is broken (the antispin light,handbrake and abs light is on all the time) i know there are two sensors 1 front 1 back how do i change this also?
much appreciated
thanks gary

[g@ry]

sorted with a 7mm allen key a pair of pliers and a torch :lol:
easy job come to think of it