Under the Hood

The 135i's turbocharged inline-six makes 300 horsepower and 300 pounds-feet of torque. It works through a six-speed manual or BMW's seven-speed dual-clutch automatic. Either car hits 60 mph in about 5 seconds, BMW says. The M Sport Package adds a sport-tuned suspension with high-performance, six-piston front and two-piston rear brakes.

If that seems like too much, consider stepping down to the 230-hp, normally aspirated 128i, which is covered separately in the Cars.com Research section.

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    External devices
    General information External audio and video devices and digital cameras can be connected to cinch sockets, on the CD/DVD player. Operation takes place on the external device. Due to the large n ...

    Split screen map view
    The map view can be selected for the split screen independently from the main screen. 1. Open "Options". 2. "Split screen" 3. Move the controller to the right repeatedly unt ...

    SPORT
    Consistently sporty tuning of the suspension for greater driving agility with maximum driving stabilization. The program can be configured to individual specifications. The configuration is stor ...