Summary: Realizing the the current 3 Series line has lost some of the sporty intentions that made it such a popular model, BMW debuts the 4 Series, kicking the 3 Series up a notch by giving it a powerful motor and some Audi-inspired tech as well.
Summary: Realizing the the current 3 Series line has lost some of the sporty intentions that made it such a popular model, BMW debuts the 4 Series, kicking the 3 Series up a notch by giving it a powerful motor and some Audi-inspired tech as well.