E30 (1982 - 1993)
Hey I have a 1988 325 e30 that has a tack that goes to 6000 rpm. For some reason it has "i" pistons with an "e". Because the pistons were hitting the head someone decided to shave the head. I cant tell what it actually is. A modded "e" or a super ETA. I just want to put it back into original...