Originally Posted by flinchy
I know it fits the same on an e81/87/82 n52 (130i/128i)
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.