BMW Z4 M40i

US Spec BMW Z4 M40i Posts 381 WHP on Dyno

US Spec BMW Z4 M40i Posts 381 WHP on Dyno

It’s not unusual for to understate the horsepower ratings of its cars. That’s been especially true since the turbocharged era kicked off and there’s no sign of things cooling down. That said, the new models…

Video: BMW Z4 M40i Drag Races Porsche Boxster GTS

Toyota Supra makes 420 hp from just an ECU tune

Toyota Supra makes 420 hp from just an ECU tune

By know, you’re almost certainly aware that the BMW Z4 M40i and Toyota Supra are built on the same chassis and use the same engine. So any good news about the Supra is good news…