Originally Posted by DSC_OFF
If you're saying fitment between 128/130 coupe and vert is the same, that's no surprise. If you're saying n52 headers off 328/330 is same as 128/130, then that opens up more opportunities to fill a potential group buy. The latter is where I was going with when I asked about Z4's.
The 128i uses the same manifolds as the 328xi not the 328i so there is no guarantee that you will have proper fitment. Unfortunately for the Z crowd the manifolds are far to different to be interchangeable.