on mine i noticed a cable and some dirt had formed a 'dam' to the right of the ECU bracket, I've lifted the cable up and secured it, and cleaned out the crud. this seems to have stopped my leak! apparently it can also come in from the plate under the ECU bracket, since this is a big hole at the factory with a plate glued on top, worth a look. Also the top corners either side of the screen where the wings attach are a real bad rust spot, well worth a look!