See also:

Exterior
Sharing its platform with the recently redesigned 7 Series, the 5 Series' wheelbase has been extended about 3 inches. It now leads its class, BMW says. Up front, the car's signature kidney grilles ...

Exterior
With standard visual cues that come only with the 128i's optional M Sport Package, the 135i has an aggressive front bumper with three large air inlets. Xenon headlights are standard, and they carr ...

1 Series M
Rather than the single-turbo setup from the 135i, the 1 Series M gets a twin-turbo six-cylinder that's good for 335 hp and 332 pounds-feet of torque. In extreme situations, the 1 Series M can ente ...