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M40b18 -> M20b25 AFM help

Posted: Fri Feb 19, 2021 10:53 am
by 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.