Not Much
Sorry to here that, however it is a simple and relatively inexpensive fix.
You will need 2 spanners to fit the backing nut and the ball joint spines. You will also need a ball joint splitter (dont try anything else) which are inexpensive.
Method 1
Raise and secure car. Undo top nut - it maybe a castle nut with a split pin - and undo backing nut using the two spanners (its obvious when you are there). Once freed, split the joint from the control bar using the splitter.
Not where the ball joint is roughly and spin it off. Spin on the new one (with a dab of copper ease if you have it) then tighten back nut, screw on top nut and replace split pin.
Now take it to nearest tyre place and get them to set the tracking up.
Take it to for re-MOT.
Usually if you have the splitter and split pins etc, the local tyre place will spin the new one on for a fiver if they are a good one.
All in it should cost you less than £30 including parts, howeve rI have never bought one for a Bravo but I have done them on others.
If you want any more help drop me a note
N