One fall with the original hard-mount indicators and it is broken. Replace your turnsignal indicators withthese flexible-stalk indicators.
The wiring and bullet connectors (visible in the photo) are discarded, and the original BMW wires are inserted into the new turnsignal.
Miniblinkers all look the same, just left or right, with either 10mm or 12mm stalk thread size. Install with drain hole downward.