brake reservoir cap

[henriko]

Hi, just new on here, I screwed off my brake fluid cap and the part with sensor has snapped of, tried gluing it back on but handbrake light gives 3 bleeps and flashes on and off cpnstantly, the sender surrly cant be damaged, am I better getting a new cap, if so does anyone have one my car is audia3 2.0fsi, many thanks tam