M40b18 -> M20b25 AFM help

[Murt97]

I managed to buy a M20b25 engine and trans to swap into my 318i cab. I’m wondering if i can keep the black airfilter box/housing and just change AFM to the 325i one?

(I posted this in the technical help section but figured here would be more appropriate).

Any help would be appreciated!

Thanks.