Originally Posted by Apolonios
Wasn't the powerdome to specifically to fit the larger v8 on the e9x's?? Wouldn't a turbo 6 be roughly the same size as the other 3 series??
Yes, I believe it was in order to fit the V8 on the E9x models. Function over form in that case. It's funny that people keep screaming for it when they see these spy shots, while it's possible the new engine may no longer require the dome for clearance.