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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    Audio playback
    Selecting the track using the button Press the button for the appropriate direction as often as necessary until the desired track is played back. Selecting the track using the iDrive Audio C ...

    Selecting menu items
    Menu items shown in white can be selected 1. Turn the controller until the desired menu item is highlighted Turn the controller until the desired menu item is highlighted 2. Press the control ...

    At a glance
    General information Contacts, appointments, tasks, notes, text messages, and e-mails from the mobile phone can be displayed on the Control Display if the mobile phone provides compatible support o ...