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 repeatedly until the desired track is played. Selecting a track via iDrive Audio CDs Select the desired track to begin playback CDs/DV ...

    Configuring the devices
    Additional functions can be activated or deactivated for paired and connected devices. 1. "Telephone" 2. "Bluetooth® (phone)" 3. Highlight the device to be configured. 4. Ope ...

    Selecting a station
    Press the knob if the sound output is switched off. 1.  "Radio" 2.  "FM" or "AM" 3.  Select the desired station. The selected station is stored ...