Exhaust manifold 325/ m54 engine

[Ariefkj]

Hye geng,My car e46/325/m54 exhaust manifold was leaking and make a lousy soundHow do i know, exhaust manifold at halfcut is for 325 or 328. Is it the same size and can be fitted to 325 engine. Any product code can i refer to make sure i buy the right thing.Plz help me sifu..