Swiss

You were forced into the bus lane to avoid a collision due to the car in front. . . . . . . . . . . . . .add what you want . . . . . . .

Even if they don't relent you will have delayed the fine and providing you get your appeal in within the given time frame the 50% reduction will still stand if the decision is not overturned.
Even if it ends up being a delay tactic at very least the money has stayed in your pocket a little longer.