G20 11/2019 BDC swap/change old unit is dead or flooded

[HeXeN]

Hi
BMW G20 11/2019 BDC3 module swap/change
old unit is dead or flooded
what tool can do job?

edit: dealer dont want to sell new one, they say this number is not produced anymore (client says)

[brend]

Bcm part nr . or sticker ?

[HeXeN]

61355A09DC401 https://www.ebay.co.uk/itm/256294966002