Get it sold if it is not going to give you enjoyment.
If getting it fixed by someone else would alleviate the fear then go down that route.
Get rid of stuff that doesn't make your life better!
Farm worker surely?
Don't have to be employed to work on a farm that you live on.
Might not make things better though.
Would you get enjoyment from the BMW being on the road?
I don't think it unreasonable in your position.
As you say you didn't have time to react and judging by the damage caused it would have only one outcome probably known by the noise.