[Effduration]

You need to spend time on REALOEM.com and look at both E36 325i and E46 330i. Focus on differences in transmission models, trans mounts, driveshafts, guibo and differentials. The connections between driveshaft and transmission and driveshaft and differential are likely to be a challenge.

sourcing all the manual swap parts from an E36 for an E46

it will Likely work, but is likely NOT plug and play..