Big Malheur happens, welding tips sought!

Bmw/e93/335 People made a mistake when pressing out a bearing by slightly expanding the ACHSEITIGE borehole/storage for the rubber bearing of the longitudinal handlebar. And it was so easy that the bearing of our felt like it was hard to enter and even though it was still pressed in, it was too much of the good and the bearing had too much play, moved and of course broke after a few km of driving. So how do we get the take/boring now closer so that the stock was like If so, how exactly can we do this, do you have other ideas? Would you also like to use your own or sweater/mech which would take care of it. Lg