[k.b.5082]

I have also an F30 330e and I understand why you ask that
Unfortunately I don't think it's possible at all

ok, I'll wait for it to have more degradation and try to open to change cells with more capacity.
With 20 more km of autonomy I would be happy

Don't think that will be possible at all. Only if bmw has an official retrofit option for it. But it will be expensive then, like the I3's.

can be.....
I have seen that there are people who in other brands where they only sell complete batteries have disassembled and changed loose cells out of official service, that's why it was my question.

Thanks.