Tuner drops diesel into BMW Z4 for 63 mpg sports car [Concept Cars]

Conundrum alert gearheads! Does your lust for diesel outweigh your desire for speed? Is a sexy BMW drop-top more or less sexy when you drop in a more powerful motor for a top-o-the-line diesel fourbanger? Would you rock AC Shnitzer's 99d concept car? More »

No User Responded in " Tuner drops diesel into BMW Z4 for 63 mpg sports car [Concept Cars] "

`