The i8's greatest weaknesses are its underpowered engine and weak gearbox, so this DIY builder set out to fix it.

The BMW i8 was an aesthetically beautiful luxury vehicle ... which had an output of 560 horsepower with its 4.4L V8 engine.

The BMW i8 arrived with the intriguing idea of being ... it was already offering the inline-six-powered M3 and M4 and a V8 in the M8. Your changes have been saved Email is sent Email has already ...

From a design standpoint, the 507 was anything but a failure, as it featured the first BMW V8 engine paired to a lightweight ... its vehicles, and the i8 was at the center of this endeavor.

Automakers often work on vehicles that never reach production. Sometimes, this is because the designers are developing competitive models, and only one of them can get the green list for assembly.