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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    Ventilation in rear
    Ventilation in rear 1. Use the thumbwheels to smoothly open and close the air vents 2. Thumbwheels to adjust temperature in upper body region; can be adjusted separately for left and right: ...

    Units of measure
    Setting the units of measure To set the units for fuel consumption, route/distance and temperature: 1. "Settings" 2. "Language/Units" 3. Select the desired menu item. 4. S ...

    Current fuel consumption
    Current fuel consumption Displays the current fuel consumption. You can check whether you are currently driving in an efficient and environmentally-friendly manner. ...