I liked it ! 'Untuned' piano indeed, but not painfully. I'm often seduced by an austere, rigid, interpretation of Bach's piano-music (it is not what you've chosen for, yet), though I can totally agree with the fact that some preludes and some fugues (I'm not sure of this toccata) can handle a great deal of freedom (I'm thinking Bach himself would have encouraged that we as interpreter take our freedom with his music). I would say, half of the work is done. Now, you could try to gain more confidence, it is as if you play this tocatta with a little bit of "reserve", I think you can be more fully involved; more articulation, a fuller clearer playing, more power (nothing overdone, no loudness or whatever). Your toccata sounds for the moment as a stroll in the park, I would play it myself more as an intense hike on a hillside. A few mistakes here and there, I wouldn't mind too much, but you could also choose for a change a more steady tempo, a more stable "drive" and try to create one (or two or three) big leaps of tension. But, overall, I enjoyed it !
Kindly.