https://carbuzz.com/news/this-500-hp-bmw-z4-is-the-stuff-of-nightmares
Check this out. I think this B58 will be a tuners engine. Theres so much aftermarket support for it already. It's like the ar-15 platform. Not the best platform to start with but theres so much R&D and aftermarket...
Good find. Thought I might shed some light. My uncle is a porsche enthusiast. He has the 911 turbo s, gt3 rs, and now the gt2. He hand picked each car from Germany and sent to u.s. he has been to Porsche driving school many times in the last 3 years. He definitely has track experience and...
Found this after reading bmw underrated hp and or shows hp as whp not crank hp.
https://www.thedrive.com/news/20009/dyno-test-shows-the-2018-bmw-m5-is-way-more-powerful-than-advertised
What the b58 needs now is port injection. Ford is got it on the new 5.0 coyote and 3.5 eco. Maybe toyota will put their twist on this engine and add this. This would take away the fuel limit issues for this engine for turbo swaps.
From my research which is all youtube videos and articles. Is that toyota did not design a different exhaust like bmw did for the u.s z4. So with the exhaust filter and different tune it lacks a few hp. Easy to gain back plus some for the supra. And supra is lighter than the z4.
I know...
What I've read is that the supra will have the exhaust emission scrubbers that Eu requires. The z4 will not in the U.S. hence why the z4 makes more hp.